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   <div id="projectname">Agile Modbus
   &#160;<span id="projectnumber">1.1.4</span>
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   <div id="projectbrief">Lightweight modbus protocol stack.</div>
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<div class="title">agile_modbus.c</div>  </div>
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<a href="agile__modbus_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="agile__modbus_8h.html">agile_modbus.h</a>&quot;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="group___c_o_m_m_o_n___private___constants.html#gaace014d9aa6324caf3655758b0987328">   49</a></span>&#160;<span class="preprocessor">#define AGILE_MODBUS_MSG_LENGTH_UNDEFINED -1 </span></div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="group___c_o_m_m_o_n___private___functions.html#ga95720f06739a86879b2963ed9550fda9">   88</a></span>&#160;<span class="keyword">static</span> uint8_t <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga95720f06739a86879b2963ed9550fda9">agile_modbus_compute_meta_length_after_function</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> <span class="keyword">function</span>, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gaed0f4c33339c8ae9c8730abef9e0f02f">agile_modbus_msg_type_t</a> msg_type)</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;{</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    <span class="keywordtype">int</span> length;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="keywordflow">if</span> (msg_type == <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02faf9852866360e261fba1cafe87a964b01">AGILE_MODBUS_MSG_INDICATION</a>) {</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;        <span class="keywordflow">if</span> (<span class="keyword">function</span> &lt;= <a class="code" href="group___modbus___function___codes.html#ga3003e1bab9d1b1da61250ec2dae421cd">AGILE_MODBUS_FC_WRITE_SINGLE_REGISTER</a>) {</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;            length = 4;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keyword">function</span> == <a class="code" href="group___modbus___function___codes.html#ga437dc2cfaa22f7cfcafdd1f85b5a6955">AGILE_MODBUS_FC_WRITE_MULTIPLE_COILS</a> ||</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;                   <span class="keyword">function</span> == <a class="code" href="group___modbus___function___codes.html#ga89ce7e11ea0f593ee6801a0d0dd50f5d">AGILE_MODBUS_FC_WRITE_MULTIPLE_REGISTERS</a>) {</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            length = 5;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keyword">function</span> == <a class="code" href="group___modbus___function___codes.html#ga0ba08a18b715d5dc44b9e8bca79dd149">AGILE_MODBUS_FC_MASK_WRITE_REGISTER</a>) {</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;            length = 6;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keyword">function</span> == <a class="code" href="group___modbus___function___codes.html#ga7243db4d3adff479a3d4f2a201ece12a">AGILE_MODBUS_FC_WRITE_AND_READ_REGISTERS</a>) {</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;            length = 9;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;            <span class="comment">/* MODBUS_FC_READ_EXCEPTION_STATUS, MODBUS_FC_REPORT_SLAVE_ID */</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;            length = 0;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;            <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a374a8fa6bbae7c8c7c26fa0327d86c28">compute_meta_length_after_function</a>)</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;                length = ctx-&gt;<a class="code" href="structagile__modbus.html#a374a8fa6bbae7c8c7c26fa0327d86c28">compute_meta_length_after_function</a>(ctx, <span class="keyword">function</span>, msg_type);</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        }</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        <span class="comment">/* MSG_CONFIRMATION */</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        <span class="keywordflow">switch</span> (<span class="keyword">function</span>) {</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga1bdaa8903987ab20f825c33f3210ca2e">AGILE_MODBUS_FC_READ_COILS</a>:</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#gaf91b7348ee4aecc99d14afaa3e03c02b">AGILE_MODBUS_FC_READ_DISCRETE_INPUTS</a>:</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga51394ef0b9afbc569f7541ab1244f65e">AGILE_MODBUS_FC_READ_HOLDING_REGISTERS</a>:</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga7771198acca215a378463eb13ad040d1">AGILE_MODBUS_FC_READ_INPUT_REGISTERS</a>:</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga890fb2bcf11bb6463e3bc20883c06eee">AGILE_MODBUS_FC_REPORT_SLAVE_ID</a>:</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga7243db4d3adff479a3d4f2a201ece12a">AGILE_MODBUS_FC_WRITE_AND_READ_REGISTERS</a>:</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            length = 1;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160; </div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga4eaf03c1474a3397f847edd94200ec2f">AGILE_MODBUS_FC_WRITE_SINGLE_COIL</a>:</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga3003e1bab9d1b1da61250ec2dae421cd">AGILE_MODBUS_FC_WRITE_SINGLE_REGISTER</a>:</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga437dc2cfaa22f7cfcafdd1f85b5a6955">AGILE_MODBUS_FC_WRITE_MULTIPLE_COILS</a>:</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga89ce7e11ea0f593ee6801a0d0dd50f5d">AGILE_MODBUS_FC_WRITE_MULTIPLE_REGISTERS</a>:</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;            length = 4;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga0ba08a18b715d5dc44b9e8bca79dd149">AGILE_MODBUS_FC_MASK_WRITE_REGISTER</a>:</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;            length = 6;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;            length = 1;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;            <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a374a8fa6bbae7c8c7c26fa0327d86c28">compute_meta_length_after_function</a>)</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                length = ctx-&gt;<a class="code" href="structagile__modbus.html#a374a8fa6bbae7c8c7c26fa0327d86c28">compute_meta_length_after_function</a>(ctx, <span class="keyword">function</span>, msg_type);</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        }</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    }</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160; </div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="keywordflow">return</span> length;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;}</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160; </div>
<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="group___c_o_m_m_o_n___private___functions.html#gac284cb29d9a9fc06bcc39f230734597b">  177</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="group___c_o_m_m_o_n___private___functions.html#gac284cb29d9a9fc06bcc39f230734597b">agile_modbus_compute_data_length_after_meta</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, uint8_t *msg, <span class="keywordtype">int</span> msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gaed0f4c33339c8ae9c8730abef9e0f02f">agile_modbus_msg_type_t</a> msg_type)</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;{</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    <span class="keywordtype">int</span> <span class="keyword">function</span> = msg[ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a>];</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    <span class="keywordtype">int</span> length;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160; </div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <span class="keywordflow">if</span> (msg_type == <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02faf9852866360e261fba1cafe87a964b01">AGILE_MODBUS_MSG_INDICATION</a>) {</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        <span class="keywordflow">switch</span> (<span class="keyword">function</span>) {</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga437dc2cfaa22f7cfcafdd1f85b5a6955">AGILE_MODBUS_FC_WRITE_MULTIPLE_COILS</a>:</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga89ce7e11ea0f593ee6801a0d0dd50f5d">AGILE_MODBUS_FC_WRITE_MULTIPLE_REGISTERS</a>:</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            length = msg[ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5];</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160; </div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga7243db4d3adff479a3d4f2a201ece12a">AGILE_MODBUS_FC_WRITE_AND_READ_REGISTERS</a>:</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;            length = msg[ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 9];</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160; </div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            length = 0;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a01a1cc40593d0b2f35c4bd9264024023">compute_data_length_after_meta</a>)</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                length = ctx-&gt;<a class="code" href="structagile__modbus.html#a01a1cc40593d0b2f35c4bd9264024023">compute_data_length_after_meta</a>(ctx, msg, msg_length, msg_type);</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;        }</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;        <span class="comment">/* MSG_CONFIRMATION */</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;        <span class="keywordflow">if</span> (<span class="keyword">function</span> &lt;= <a class="code" href="group___modbus___function___codes.html#ga7771198acca215a378463eb13ad040d1">AGILE_MODBUS_FC_READ_INPUT_REGISTERS</a> ||</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;            <span class="keyword">function</span> == <a class="code" href="group___modbus___function___codes.html#ga890fb2bcf11bb6463e3bc20883c06eee">AGILE_MODBUS_FC_REPORT_SLAVE_ID</a> ||</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;            <span class="keyword">function</span> == <a class="code" href="group___modbus___function___codes.html#ga7243db4d3adff479a3d4f2a201ece12a">AGILE_MODBUS_FC_WRITE_AND_READ_REGISTERS</a>) {</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            length = msg[ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 1];</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            length = 0;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;            <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a01a1cc40593d0b2f35c4bd9264024023">compute_data_length_after_meta</a>)</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;                length = ctx-&gt;<a class="code" href="structagile__modbus.html#a01a1cc40593d0b2f35c4bd9264024023">compute_data_length_after_meta</a>(ctx, msg, msg_length, msg_type);</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        }</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    }</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160; </div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    length += ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160; </div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    <span class="keywordflow">return</span> length;</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;}</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160; </div>
<div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">  224</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, uint8_t *msg, <span class="keywordtype">int</span> msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gaed0f4c33339c8ae9c8730abef9e0f02f">agile_modbus_msg_type_t</a> msg_type)</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;{</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    <span class="keywordtype">int</span> remain_len = msg_length;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160; </div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    remain_len -= (ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 1);</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;    <span class="keywordflow">if</span> (remain_len &lt; 0)</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    remain_len -= <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga95720f06739a86879b2963ed9550fda9">agile_modbus_compute_meta_length_after_function</a>(ctx, msg[ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a>], msg_type);</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    <span class="keywordflow">if</span> (remain_len &lt; 0)</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    remain_len -= <a class="code" href="group___c_o_m_m_o_n___private___functions.html#gac284cb29d9a9fc06bcc39f230734597b">agile_modbus_compute_data_length_after_meta</a>(ctx, msg, msg_length, msg_type);</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    <span class="keywordflow">if</span> (remain_len &lt; 0)</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160; </div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    <span class="keywordflow">return</span> ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a5b5d593afcd73504dd8b0977173dcb16">check_integrity</a>(ctx, msg, msg_length - remain_len);</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;}</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160; </div>
<div class="line"><a name="l00257"></a><span class="lineno"><a class="line" href="group___c_o_m_m_o_n___exported___functions.html#ga520bd6e5aa1521ebe24a058f8bc9e6f5">  257</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group___c_o_m_m_o_n___exported___functions.html#ga520bd6e5aa1521ebe24a058f8bc9e6f5">agile_modbus_common_init</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, uint8_t *send_buf, <span class="keywordtype">int</span> send_bufsz, uint8_t *read_buf, <span class="keywordtype">int</span> read_bufsz)</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;{</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    memset(ctx, 0, <span class="keyword">sizeof</span>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a>));</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#acd02aacf2081b397ee378e21858b2dd7">slave</a> = -1;</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a> = send_buf;</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> = send_bufsz;</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a> = read_buf;</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a> = read_bufsz;</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;}</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160; </div>
<div class="line"><a name="l00273"></a><span class="lineno"><a class="line" href="group___c_o_m_m_o_n___exported___functions.html#ga6e2698caaa0b25e3d2fb00bba81594f7">  273</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___c_o_m_m_o_n___exported___functions.html#ga6e2698caaa0b25e3d2fb00bba81594f7">agile_modbus_set_slave</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> slave)</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;{</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    <span class="keywordflow">return</span> ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a8d3409b195ea47bd306bcf502dd022a9">set_slave</a>(ctx, slave);</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;}</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160; </div>
<div class="line"><a name="l00284"></a><span class="lineno"><a class="line" href="group___c_o_m_m_o_n___exported___functions.html#gac87efdacacabbaaa2d8ed74904b36f49">  284</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group___c_o_m_m_o_n___exported___functions.html#gac87efdacacabbaaa2d8ed74904b36f49">agile_modbus_set_compute_meta_length_after_function_cb</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx,</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;                                                            uint8_t (*cb)(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> <span class="keyword">function</span>,</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;                                                                          <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gaed0f4c33339c8ae9c8730abef9e0f02f">agile_modbus_msg_type_t</a> msg_type))</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;{</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a374a8fa6bbae7c8c7c26fa0327d86c28">compute_meta_length_after_function</a> = cb;</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;}</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160; </div>
<div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="group___c_o_m_m_o_n___exported___functions.html#ga1d9466fb449c30600896fb7d59709eef">  297</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group___c_o_m_m_o_n___exported___functions.html#ga1d9466fb449c30600896fb7d59709eef">agile_modbus_set_compute_data_length_after_meta_cb</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx,</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;                                                        <span class="keywordtype">int</span> (*cb)(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, uint8_t *msg,</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;                                                                  <span class="keywordtype">int</span> msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gaed0f4c33339c8ae9c8730abef9e0f02f">agile_modbus_msg_type_t</a> msg_type))</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;{</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a01a1cc40593d0b2f35c4bd9264024023">compute_data_length_after_meta</a> = cb;</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;}</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="group___c_o_m_m_o_n___exported___functions.html#ga5339847285ffab01ff36fe7203d3cb74">  312</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___c_o_m_m_o_n___exported___functions.html#ga5339847285ffab01ff36fe7203d3cb74">agile_modbus_receive_judge</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gaed0f4c33339c8ae9c8730abef9e0f02f">agile_modbus_msg_type_t</a> msg_type)</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;{</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160; </div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, msg_type);</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160; </div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;}</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160; </div>
<div class="line"><a name="l00343"></a><span class="lineno"><a class="line" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">  343</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, uint8_t *req,</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;                                           uint8_t *rsp, <span class="keywordtype">int</span> rsp_length)</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;{</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;    <span class="keywordtype">int</span> rc;</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;    <span class="keywordtype">int</span> rsp_length_computed;</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> offset = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a>;</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> <span class="keyword">function</span> = rsp[offset];</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160; </div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9b202def5092468ba9f8ea59f81b2bc3">pre_check_confirmation</a>) {</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;        rc = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9b202def5092468ba9f8ea59f81b2bc3">pre_check_confirmation</a>(ctx, req, rsp, rsp_length);</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;        <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;            <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;    }</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160; </div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    rsp_length_computed = <a class="code" href="group___master___raw___operation___functions.html#ga393dc963d2fac3a2677e8b5f465e187a">agile_modbus_compute_response_length_from_request</a>(ctx, req);</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160; </div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    <span class="comment">/* Exception code */</span></div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    <span class="keywordflow">if</span> (<span class="keyword">function</span> &gt;= 0x80) {</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;        <span class="keywordflow">if</span> (rsp_length == (offset + 2 + (<span class="keywordtype">int</span>)ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>) &amp;&amp; req[offset] == (rsp[offset] - 0x80))</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;            <span class="keywordflow">return</span> (-128 - rsp[offset + 1]);</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;            <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;    }</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160; </div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;    <span class="comment">/* Check length */</span></div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;    <span class="keywordflow">if</span> ((rsp_length == rsp_length_computed || rsp_length_computed == <a class="code" href="group___c_o_m_m_o_n___private___constants.html#gaace014d9aa6324caf3655758b0987328">AGILE_MODBUS_MSG_LENGTH_UNDEFINED</a>) &amp;&amp; <span class="keyword">function</span> &lt; 0x80) {</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;        <span class="keywordtype">int</span> req_nb_value;</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;        <span class="keywordtype">int</span> rsp_nb_value;</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160; </div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;        <span class="comment">/* Check function code */</span></div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;        <span class="keywordflow">if</span> (<span class="keyword">function</span> != req[offset])</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;            <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160; </div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;        <span class="comment">/* Check the number of values is corresponding to the request */</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        <span class="keywordflow">switch</span> (<span class="keyword">function</span>) {</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga1bdaa8903987ab20f825c33f3210ca2e">AGILE_MODBUS_FC_READ_COILS</a>:</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#gaf91b7348ee4aecc99d14afaa3e03c02b">AGILE_MODBUS_FC_READ_DISCRETE_INPUTS</a>:</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;            <span class="comment">/* Read functions, 8 values in a byte (nb</span></div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;<span class="comment">             * of values in the request and byte count in</span></div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;<span class="comment">             * the response. */</span></div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;            req_nb_value = (req[offset + 3] &lt;&lt; 8) + req[offset + 4];</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;            req_nb_value = (req_nb_value / 8) + ((req_nb_value % 8) ? 1 : 0);</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;            rsp_nb_value = rsp[offset + 1];</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160; </div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga7243db4d3adff479a3d4f2a201ece12a">AGILE_MODBUS_FC_WRITE_AND_READ_REGISTERS</a>:</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga51394ef0b9afbc569f7541ab1244f65e">AGILE_MODBUS_FC_READ_HOLDING_REGISTERS</a>:</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga7771198acca215a378463eb13ad040d1">AGILE_MODBUS_FC_READ_INPUT_REGISTERS</a>:</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;            <span class="comment">/* Read functions 1 value = 2 bytes */</span></div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;            req_nb_value = (req[offset + 3] &lt;&lt; 8) + req[offset + 4];</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;            rsp_nb_value = (rsp[offset + 1] / 2);</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160; </div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga437dc2cfaa22f7cfcafdd1f85b5a6955">AGILE_MODBUS_FC_WRITE_MULTIPLE_COILS</a>:</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga89ce7e11ea0f593ee6801a0d0dd50f5d">AGILE_MODBUS_FC_WRITE_MULTIPLE_REGISTERS</a>:</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;            <span class="comment">/* N Write functions */</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;            req_nb_value = (req[offset + 3] &lt;&lt; 8) + req[offset + 4];</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;            rsp_nb_value = (rsp[offset + 3] &lt;&lt; 8) | rsp[offset + 4];</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160; </div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;        <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga890fb2bcf11bb6463e3bc20883c06eee">AGILE_MODBUS_FC_REPORT_SLAVE_ID</a>:</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;            <span class="comment">/* Report slave ID (bytes received) */</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;            req_nb_value = rsp_nb_value = rsp[offset + 1];</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160; </div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;        <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;            <span class="comment">/* 1 Write functions &amp; others */</span></div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;            req_nb_value = rsp_nb_value = 1;</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;        }</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160; </div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;        <span class="keywordflow">if</span> (req_nb_value == rsp_nb_value)</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            rc = rsp_nb_value;</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;            rc = -1;</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;    } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        rc = -1;</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160; </div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;}</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160; </div>
<div class="line"><a name="l00445"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga5d43985cad3f09f0d6596760b941edbc">  445</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga5d43985cad3f09f0d6596760b941edbc">agile_modbus_serialize_read_bits</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> addr, <span class="keywordtype">int</span> nb)</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;{</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160; </div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;    <span class="keywordflow">if</span> (nb &gt; <a class="code" href="group___modbus___constants.html#ga55e6b64f5c26356198708ce0ee23bb60">AGILE_MODBUS_MAX_READ_BITS</a>)</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160; </div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;    <span class="keywordtype">int</span> req_length = 0;</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#ga1bdaa8903987ab20f825c33f3210ca2e">AGILE_MODBUS_FC_READ_COILS</a>, addr, nb, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160; </div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;}</div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160; </div>
<div class="line"><a name="l00461"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga7908f73260d9afeba6ac2b571f163a97">  461</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga7908f73260d9afeba6ac2b571f163a97">agile_modbus_deserialize_read_bits</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length, uint8_t *dest)</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;{</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160; </div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160; </div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;        <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160; </div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;    <span class="keywordtype">int</span> i, temp, bit;</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    <span class="keywordtype">int</span> pos = 0;</div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    <span class="keywordtype">int</span> offset;</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="keywordtype">int</span> offset_end;</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    <span class="keywordtype">int</span> nb;</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160; </div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;    offset = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 2;</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;    offset_end = offset + rc;</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    nb = (ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 3] &lt;&lt; 8) + ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 4];</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160; </div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    for (i = offset; i &lt; offset_end; i++) {</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;        <span class="comment">/* Shift reg hi_byte to temp */</span></div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;        temp = ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>[i];</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160; </div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;        <span class="keywordflow">for</span> (bit = 0x01; (bit &amp; 0xff) &amp;&amp; (pos &lt; nb);) {</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;            dest[pos++] = (temp &amp; bit) ? 1 : 0;</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;            bit = bit &lt;&lt; 1;</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;        }</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;    }</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160; </div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;    <span class="keywordflow">return</span> nb;</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;}</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160; </div>
<div class="line"><a name="l00500"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#gaf7de4137539de1bed2e607e846f415c2">  500</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#gaf7de4137539de1bed2e607e846f415c2">agile_modbus_serialize_read_input_bits</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> addr, <span class="keywordtype">int</span> nb)</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;{</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160; </div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;    <span class="keywordflow">if</span> (nb &gt; <a class="code" href="group___modbus___constants.html#ga55e6b64f5c26356198708ce0ee23bb60">AGILE_MODBUS_MAX_READ_BITS</a>)</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160; </div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;    <span class="keywordtype">int</span> req_length = 0;</div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#gaf91b7348ee4aecc99d14afaa3e03c02b">AGILE_MODBUS_FC_READ_DISCRETE_INPUTS</a>, addr, nb, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160; </div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;}</div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160; </div>
<div class="line"><a name="l00516"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga4124e9e8e7048da83855cb92ee7f6e63">  516</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga4124e9e8e7048da83855cb92ee7f6e63">agile_modbus_deserialize_read_input_bits</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length, uint8_t *dest)</div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;{</div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160; </div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160; </div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;        <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160; </div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;    <span class="keywordtype">int</span> i, temp, bit;</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;    <span class="keywordtype">int</span> pos = 0;</div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;    <span class="keywordtype">int</span> offset;</div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;    <span class="keywordtype">int</span> offset_end;</div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;    <span class="keywordtype">int</span> nb;</div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160; </div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;    offset = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 2;</div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;    offset_end = offset + rc;</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;    nb = (ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 3] &lt;&lt; 8) + ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 4];</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160; </div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;    for (i = offset; i &lt; offset_end; i++) {</div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;        <span class="comment">/* Shift reg hi_byte to temp */</span></div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;        temp = ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>[i];</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160; </div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;        <span class="keywordflow">for</span> (bit = 0x01; (bit &amp; 0xff) &amp;&amp; (pos &lt; nb);) {</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;            dest[pos++] = (temp &amp; bit) ? 1 : 0;</div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;            bit = bit &lt;&lt; 1;</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;        }</div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;    }</div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160; </div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;    <span class="keywordflow">return</span> nb;</div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;}</div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160; </div>
<div class="line"><a name="l00555"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga3d6724cd3f77e007cd2f6672e7beb3f8">  555</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga3d6724cd3f77e007cd2f6672e7beb3f8">agile_modbus_serialize_read_registers</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> addr, <span class="keywordtype">int</span> nb)</div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;{</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160; </div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;    <span class="keywordflow">if</span> (nb &gt; <a class="code" href="group___modbus___constants.html#gae197ea0d248e33a49957dd33580eda1c">AGILE_MODBUS_MAX_READ_REGISTERS</a>)</div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160; </div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;    <span class="keywordtype">int</span> req_length = 0;</div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#ga51394ef0b9afbc569f7541ab1244f65e">AGILE_MODBUS_FC_READ_HOLDING_REGISTERS</a>, addr, nb, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160; </div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;}</div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160; </div>
<div class="line"><a name="l00571"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#gadcc32581d649bf2cef5eee596bd67c6f">  571</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#gadcc32581d649bf2cef5eee596bd67c6f">agile_modbus_deserialize_read_registers</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length, uint16_t *dest)</div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;{</div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160; </div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160; </div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;        <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160; </div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;    <span class="keywordtype">int</span> offset;</div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160; </div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;    offset = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a>;</div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; rc; i++) {</div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;        <span class="comment">/* shift reg hi_byte to temp OR with lo_byte */</span></div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;        dest[i] = (ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>[offset + 2 + (i &lt;&lt; 1)] &lt;&lt; 8) | ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>[offset + 3 + (i &lt;&lt; 1)];</div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;    }</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160; </div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;}</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160; </div>
<div class="line"><a name="l00599"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#gad1c9ec6c01a6ea61ddbf5c7977b1d1ca">  599</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#gad1c9ec6c01a6ea61ddbf5c7977b1d1ca">agile_modbus_serialize_read_input_registers</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> addr, <span class="keywordtype">int</span> nb)</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;{</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160; </div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;    <span class="keywordflow">if</span> (nb &gt; <a class="code" href="group___modbus___constants.html#gae197ea0d248e33a49957dd33580eda1c">AGILE_MODBUS_MAX_READ_REGISTERS</a>)</div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160; </div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;    <span class="keywordtype">int</span> req_length = 0;</div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#ga7771198acca215a378463eb13ad040d1">AGILE_MODBUS_FC_READ_INPUT_REGISTERS</a>, addr, nb, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160; </div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;}</div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160; </div>
<div class="line"><a name="l00615"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga73504a775e6c4686d65987278599b3cf">  615</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga73504a775e6c4686d65987278599b3cf">agile_modbus_deserialize_read_input_registers</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length, uint16_t *dest)</div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;{</div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160; </div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160; </div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;        <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160; </div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;    <span class="keywordtype">int</span> offset;</div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160; </div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;    offset = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a>;</div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; rc; i++) {</div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;        <span class="comment">/* shift reg hi_byte to temp OR with lo_byte */</span></div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;        dest[i] = (ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>[offset + 2 + (i &lt;&lt; 1)] &lt;&lt; 8) | ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>[offset + 3 + (i &lt;&lt; 1)];</div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;    }</div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160; </div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;}</div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160; </div>
<div class="line"><a name="l00643"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga8a8154791b050691e15eb4ae7da97574">  643</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga8a8154791b050691e15eb4ae7da97574">agile_modbus_serialize_write_bit</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> addr, <span class="keywordtype">int</span> status)</div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;{</div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160; </div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;    <span class="keywordtype">int</span> req_length = 0;</div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#ga4eaf03c1474a3397f847edd94200ec2f">AGILE_MODBUS_FC_WRITE_SINGLE_COIL</a>, addr, status ? 0xFF00 : 0, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160; </div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;}</div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160; </div>
<div class="line"><a name="l00656"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga311e3dec8ebbcd502aebe99c6c964638">  656</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga311e3dec8ebbcd502aebe99c6c964638">agile_modbus_deserialize_write_bit</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length)</div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;{</div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160; </div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160; </div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160; </div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;}</div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160; </div>
<div class="line"><a name="l00673"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga134947aa1eba3f64d26844f4c8bf57cb">  673</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga134947aa1eba3f64d26844f4c8bf57cb">agile_modbus_serialize_write_register</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> addr, <span class="keyword">const</span> uint16_t value)</div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;{</div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160; </div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;    <span class="keywordtype">int</span> req_length = 0;</div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#ga3003e1bab9d1b1da61250ec2dae421cd">AGILE_MODBUS_FC_WRITE_SINGLE_REGISTER</a>, addr, (<span class="keywordtype">int</span>)value, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160; </div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;}</div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160; </div>
<div class="line"><a name="l00686"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga8c566ab6fae153760cc24a18e0210fff">  686</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga8c566ab6fae153760cc24a18e0210fff">agile_modbus_deserialize_write_register</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length)</div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;{</div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160; </div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160; </div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160; </div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;}</div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160; </div>
<div class="line"><a name="l00703"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga4620bc2594720eba79a9c9ffa76d3796">  703</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga4620bc2594720eba79a9c9ffa76d3796">agile_modbus_serialize_write_bits</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> addr, <span class="keywordtype">int</span> nb, <span class="keyword">const</span> uint8_t *src)</div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;{</div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160; </div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;    <span class="keywordflow">if</span> (nb &gt; <a class="code" href="group___modbus___constants.html#gabc9412592af5b13346eda171ba6e4f3c">AGILE_MODBUS_MAX_WRITE_BITS</a>)</div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160; </div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;    <span class="keywordtype">int</span> byte_count;</div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;    <span class="keywordtype">int</span> req_length;</div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;    <span class="keywordtype">int</span> bit_check = 0;</div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;    <span class="keywordtype">int</span> pos = 0;</div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160; </div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#ga437dc2cfaa22f7cfcafdd1f85b5a6955">AGILE_MODBUS_FC_WRITE_MULTIPLE_COILS</a>, addr, nb, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;    byte_count = (nb / 8) + ((nb % 8) ? 1 : 0);</div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160; </div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;    min_req_length += (1 + byte_count);</div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160; </div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = byte_count;</div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; byte_count; i++) {</div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;        <span class="keywordtype">int</span> bit;</div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160; </div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;        bit = 0x01;</div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;        ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length] = 0;</div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160; </div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;        <span class="keywordflow">while</span> ((bit &amp; 0xFF) &amp;&amp; (bit_check++ &lt; nb)) {</div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;            <span class="keywordflow">if</span> (src[pos++])</div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;                ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length] |= bit;</div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;                ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length] &amp;= ~bit;</div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160; </div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;            bit = bit &lt;&lt; 1;</div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;        }</div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;        req_length++;</div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;    }</div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160; </div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160; </div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;}</div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160; </div>
<div class="line"><a name="l00748"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#gabd1613828b12acc5ecf56a7bd4f9e9d1">  748</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#gabd1613828b12acc5ecf56a7bd4f9e9d1">agile_modbus_deserialize_write_bits</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length)</div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;{</div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160; </div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160; </div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160; </div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;}</div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160; </div>
<div class="line"><a name="l00765"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga5d763faf3f10ea0e48d799f4eac27857">  765</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga5d763faf3f10ea0e48d799f4eac27857">agile_modbus_serialize_write_registers</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> addr, <span class="keywordtype">int</span> nb, <span class="keyword">const</span> uint16_t *src)</div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;{</div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160; </div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;    <span class="keywordflow">if</span> (nb &gt; <a class="code" href="group___modbus___constants.html#gaa82d47d969c352ebb7d9f005d2616434">AGILE_MODBUS_MAX_WRITE_REGISTERS</a>)</div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160; </div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;    <span class="keywordtype">int</span> req_length;</div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;    <span class="keywordtype">int</span> byte_count;</div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160; </div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#ga89ce7e11ea0f593ee6801a0d0dd50f5d">AGILE_MODBUS_FC_WRITE_MULTIPLE_REGISTERS</a>, addr, nb, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;    byte_count = nb * 2;</div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160; </div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;    min_req_length += (1 + byte_count);</div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160; </div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = byte_count;</div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; nb; i++) {</div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;        ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = src[i] &gt;&gt; 8;</div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;        ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = src[i] &amp; 0x00FF;</div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;    }</div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160; </div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160; </div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;}</div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160; </div>
<div class="line"><a name="l00796"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga2dc807ba747675d754e8095ab7dfb39f">  796</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga2dc807ba747675d754e8095ab7dfb39f">agile_modbus_deserialize_write_registers</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length)</div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;{</div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160; </div>
<div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160; </div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160; </div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;}</div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160; </div>
<div class="line"><a name="l00813"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga9553eb261f886f650b8c207a442b3787">  813</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga9553eb261f886f650b8c207a442b3787">agile_modbus_serialize_mask_write_register</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> addr, uint16_t and_mask, uint16_t or_mask)</div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;{</div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a> + 2;</div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160; </div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;    <span class="keywordtype">int</span> req_length = 0;</div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#ga0ba08a18b715d5dc44b9e8bca79dd149">AGILE_MODBUS_FC_MASK_WRITE_REGISTER</a>, addr, 0, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160; </div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;    <span class="comment">/* HACKISH, count is not used */</span></div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;    req_length -= 2;</div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160; </div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = and_mask &gt;&gt; 8;</div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = and_mask &amp; 0x00ff;</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = or_mask &gt;&gt; 8;</div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = or_mask &amp; 0x00ff;</div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160; </div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160; </div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;}</div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160; </div>
<div class="line"><a name="l00835"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga2bd3952a30caed034f553123d822e9f0">  835</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga2bd3952a30caed034f553123d822e9f0">agile_modbus_deserialize_mask_write_register</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length)</div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;{</div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160; </div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160; </div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160; </div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;}</div>
<div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160; </div>
<div class="line"><a name="l00852"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga1404336e09246d48a72dd8ed6ff958be">  852</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga1404336e09246d48a72dd8ed6ff958be">agile_modbus_serialize_write_and_read_registers</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx,</div>
<div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;                                                    <span class="keywordtype">int</span> write_addr, <span class="keywordtype">int</span> write_nb,</div>
<div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;                                                    <span class="keyword">const</span> uint16_t *src,</div>
<div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;                                                    <span class="keywordtype">int</span> read_addr, <span class="keywordtype">int</span> read_nb)</div>
<div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;{</div>
<div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160; </div>
<div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;    <span class="keywordflow">if</span> (write_nb &gt; <a class="code" href="group___modbus___constants.html#gad0d6ebec0edd26f1eb80db66840f26d0">AGILE_MODBUS_MAX_WR_WRITE_REGISTERS</a>)</div>
<div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160; </div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;    <span class="keywordflow">if</span> (read_nb &gt; <a class="code" href="group___modbus___constants.html#gaf4784aefd5c87a17940705d22ffdf457">AGILE_MODBUS_MAX_WR_READ_REGISTERS</a>)</div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160; </div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;    <span class="keywordtype">int</span> req_length;</div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;    <span class="keywordtype">int</span> byte_count;</div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160; </div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#ga7243db4d3adff479a3d4f2a201ece12a">AGILE_MODBUS_FC_WRITE_AND_READ_REGISTERS</a>, read_addr, read_nb, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;    byte_count = write_nb * 2;</div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160; </div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;    min_req_length += (5 + byte_count);</div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160; </div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = write_addr &gt;&gt; 8;</div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = write_addr &amp; 0x00ff;</div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = write_nb &gt;&gt; 8;</div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = write_nb &amp; 0x00ff;</div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = byte_count;</div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; write_nb; i++) {</div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;        ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = src[i] &gt;&gt; 8;</div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;        ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[req_length++] = src[i] &amp; 0x00FF;</div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;    }</div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160; </div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160; </div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;}</div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160; </div>
<div class="line"><a name="l00893"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga16f67b00a3a19f98ee69b2cce4b61d4e">  893</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga16f67b00a3a19f98ee69b2cce4b61d4e">agile_modbus_deserialize_write_and_read_registers</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length, uint16_t *dest)</div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;{</div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160; </div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160; </div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;        <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160; </div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;    <span class="keywordtype">int</span> offset;</div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160; </div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;    offset = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a>;</div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; rc; i++) {</div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;        <span class="comment">/* shift reg hi_byte to temp OR with lo_byte */</span></div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;        dest[i] = (ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>[offset + 2 + (i &lt;&lt; 1)] &lt;&lt; 8) | ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>[offset + 3 + (i &lt;&lt; 1)];</div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;    }</div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160; </div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;}</div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160; </div>
<div class="line"><a name="l00921"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#gaeeb30388d6a90405340ab42f22412946">  921</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#gaeeb30388d6a90405340ab42f22412946">agile_modbus_serialize_report_slave_id</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx)</div>
<div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;{</div>
<div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160; </div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;    <span class="keywordtype">int</span> req_length = 0;</div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">build_request_basis</a>(ctx, <a class="code" href="group___modbus___function___codes.html#ga890fb2bcf11bb6463e3bc20883c06eee">AGILE_MODBUS_FC_REPORT_SLAVE_ID</a>, 0, 0, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;    <span class="comment">/* HACKISH, addr and count are not used */</span></div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;    req_length -= 4;</div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160; </div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;}</div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160; </div>
<div class="line"><a name="l00936"></a><span class="lineno"><a class="line" href="group___master___common___operation___functions.html#ga63e99beaa9aa8350bbe2746bd8c123a1">  936</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___common___operation___functions.html#ga63e99beaa9aa8350bbe2746bd8c123a1">agile_modbus_deserialize_report_slave_id</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length, <span class="keywordtype">int</span> max_dest, uint8_t *dest)</div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;{</div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;    <span class="keywordflow">if</span> (max_dest &lt;= 0)</div>
<div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160; </div>
<div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00949"></a><span class="lineno">  949</span>&#160; </div>
<div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160;        <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160; </div>
<div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;    <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160;    <span class="keywordtype">int</span> offset;</div>
<div class="line"><a name="l00956"></a><span class="lineno">  956</span>&#160; </div>
<div class="line"><a name="l00957"></a><span class="lineno">  957</span>&#160;    offset = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 2;</div>
<div class="line"><a name="l00958"></a><span class="lineno">  958</span>&#160; </div>
<div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;    <span class="comment">/* Byte count, slave id, run indicator status and</span></div>
<div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;<span class="comment">       additional data. Truncate copy to max_dest. */</span></div>
<div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; rc &amp;&amp; i &lt; max_dest; i++) {</div>
<div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;        dest[i] = ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>[offset + i];</div>
<div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;    }</div>
<div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160; </div>
<div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;}</div>
<div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160; </div>
<div class="line"><a name="l00984"></a><span class="lineno"><a class="line" href="group___master___raw___operation___functions.html#ga393dc963d2fac3a2677e8b5f465e187a">  984</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___raw___operation___functions.html#ga393dc963d2fac3a2677e8b5f465e187a">agile_modbus_compute_response_length_from_request</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, uint8_t *req)</div>
<div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;{</div>
<div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;    <span class="keywordtype">int</span> length;</div>
<div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> offset = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a>;</div>
<div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160; </div>
<div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160;    <span class="keywordflow">switch</span> (req[offset]) {</div>
<div class="line"><a name="l00990"></a><span class="lineno">  990</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga1bdaa8903987ab20f825c33f3210ca2e">AGILE_MODBUS_FC_READ_COILS</a>:</div>
<div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#gaf91b7348ee4aecc99d14afaa3e03c02b">AGILE_MODBUS_FC_READ_DISCRETE_INPUTS</a>: {</div>
<div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;        <span class="comment">/* Header + nb values (code from write_bits) */</span></div>
<div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;        <span class="keywordtype">int</span> nb = (req[offset + 3] &lt;&lt; 8) | req[offset + 4];</div>
<div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;        length = 2 + (nb / 8) + ((nb % 8) ? 1 : 0);</div>
<div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160; </div>
<div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga7243db4d3adff479a3d4f2a201ece12a">AGILE_MODBUS_FC_WRITE_AND_READ_REGISTERS</a>:</div>
<div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga51394ef0b9afbc569f7541ab1244f65e">AGILE_MODBUS_FC_READ_HOLDING_REGISTERS</a>:</div>
<div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga7771198acca215a378463eb13ad040d1">AGILE_MODBUS_FC_READ_INPUT_REGISTERS</a>:</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;        <span class="comment">/* Header + 2 * nb values */</span></div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;        length = 2 + 2 * (req[offset + 3] &lt;&lt; 8 | req[offset + 4]);</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160; </div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga4eaf03c1474a3397f847edd94200ec2f">AGILE_MODBUS_FC_WRITE_SINGLE_COIL</a>:</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga3003e1bab9d1b1da61250ec2dae421cd">AGILE_MODBUS_FC_WRITE_SINGLE_REGISTER</a>:</div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga437dc2cfaa22f7cfcafdd1f85b5a6955">AGILE_MODBUS_FC_WRITE_MULTIPLE_COILS</a>:</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga89ce7e11ea0f593ee6801a0d0dd50f5d">AGILE_MODBUS_FC_WRITE_MULTIPLE_REGISTERS</a>:</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;        length = 5;</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160; </div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga0ba08a18b715d5dc44b9e8bca79dd149">AGILE_MODBUS_FC_MASK_WRITE_REGISTER</a>:</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;        length = 7;</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160; </div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;    <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;        <span class="comment">/* The response is device specific (the header provides the</span></div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;<span class="comment">            length) */</span></div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="group___c_o_m_m_o_n___private___constants.html#gaace014d9aa6324caf3655758b0987328">AGILE_MODBUS_MSG_LENGTH_UNDEFINED</a>;</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;    }</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160; </div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160;    <span class="keywordflow">return</span> offset + length + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;}</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160; </div>
<div class="line"><a name="l01031"></a><span class="lineno"><a class="line" href="group___master___raw___operation___functions.html#ga933c935a47f59cac74bcec545d266a4e"> 1031</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___raw___operation___functions.html#ga933c935a47f59cac74bcec545d266a4e">agile_modbus_serialize_raw_request</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keyword">const</span> uint8_t *raw_req, <span class="keywordtype">int</span> raw_req_length)</div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160;{</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;    <span class="keywordflow">if</span> (raw_req_length &lt; 2) {</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;        <span class="comment">/* The raw request must contain function and slave at least and</span></div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;<span class="comment">           must not be longer than the maximum pdu length plus the slave</span></div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;<span class="comment">           address. */</span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160; </div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;    }</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160; </div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 1 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a> + raw_req_length - 2;</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160; </div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;    <a class="code" href="structagile__modbus__sft.html">agile_modbus_sft_t</a> sft;</div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;    <span class="keywordtype">int</span> req_length;</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160; </div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;    sft.<a class="code" href="structagile__modbus__sft.html#ab9ada92752df1ac2d7597a43eb1cd374">slave</a> = raw_req[0];</div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;    sft.<a class="code" href="structagile__modbus__sft.html#afe1918bcff8e86066656a68de876b873">function</a> = raw_req[1];</div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;    <span class="comment">/* The t_id is left to zero */</span></div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;    sft.<a class="code" href="structagile__modbus__sft.html#aea219d53ef291aa545de54ed04ecc639">t_id</a> = 0;</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;    <span class="comment">/* This response function only set the header so it&#39;s convenient here */</span></div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9cf149ef36ca2b44e5b1b45e061f2860">build_response_basis</a>(&amp;sft, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160; </div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;    <span class="keywordflow">if</span> (raw_req_length &gt; 2) {</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;        <span class="comment">/* Copy data after function code */</span></div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;        memcpy(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a> + req_length, raw_req + 2, raw_req_length - 2);</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;        req_length += raw_req_length - 2;</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;    }</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160; </div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;    req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, req_length);</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160; </div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;    <span class="keywordflow">return</span> req_length;</div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;}</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160; </div>
<div class="line"><a name="l01073"></a><span class="lineno"><a class="line" href="group___master___raw___operation___functions.html#ga601fca9b16febfb33bb26d780e672fc2"> 1073</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___master___raw___operation___functions.html#ga601fca9b16febfb33bb26d780e672fc2">agile_modbus_deserialize_raw_response</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length)</div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;{</div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160;    <span class="keywordtype">int</span> min_req_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_req_length)</div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160;    <span class="keywordflow">if</span> ((msg_length &lt;= 0) || (msg_length &gt; ctx-&gt;<a class="code" href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">read_bufsz</a>))</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160; </div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;    <span class="keywordtype">int</span> rc = <a class="code" href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a>);</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160;    <span class="keywordflow">if</span> (rc &lt; 0)</div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160; </div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;    rc = <a class="code" href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a>(ctx, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>, rc);</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160; </div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160;    <span class="keywordflow">return</span> rc;</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160;}</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160; </div>
<div class="line"><a name="l01113"></a><span class="lineno"><a class="line" href="group___slave___private___functions.html#ga7423397221fd4a14a1950301be2d6ecd"> 1113</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="group___slave___private___functions.html#ga7423397221fd4a14a1950301be2d6ecd">agile_modbus_serialize_response_exception</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <a class="code" href="structagile__modbus__sft.html">agile_modbus_sft_t</a> *sft, <span class="keywordtype">int</span> exception_code)</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;{</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;    <span class="keywordtype">int</span> rsp_length;</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160; </div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;    <span class="comment">/* Build exception response */</span></div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;    sft-&gt;<a class="code" href="structagile__modbus__sft.html#afe1918bcff8e86066656a68de876b873">function</a> = sft-&gt;<a class="code" href="structagile__modbus__sft.html#afe1918bcff8e86066656a68de876b873">function</a> + 0x80;</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;    rsp_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9cf149ef36ca2b44e5b1b45e061f2860">build_response_basis</a>(sft, ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>);</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;    ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>[rsp_length++] = exception_code;</div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160; </div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;    <span class="keywordflow">return</span> rsp_length;</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;}</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160; </div>
<div class="line"><a name="l01139"></a><span class="lineno"><a class="line" href="group___slave___operation___functions.html#gab8a9c04d3fe520c9323600940cf080eb"> 1139</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group___slave___operation___functions.html#gab8a9c04d3fe520c9323600940cf080eb">agile_modbus_slave_io_set</a>(uint8_t *buf, <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> status)</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;{</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160;    <span class="keywordtype">int</span> offset = index / 8;</div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;    <span class="keywordtype">int</span> shift = index % 8;</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160; </div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160;    <span class="keywordflow">if</span> (status)</div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160;        buf[offset] |= (0x01 &lt;&lt; shift);</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160;        buf[offset] &amp;= ~(0x01 &lt;&lt; shift);</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160;}</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160; </div>
<div class="line"><a name="l01156"></a><span class="lineno"><a class="line" href="group___slave___operation___functions.html#gaa5c9135cec09ea8626db054bd3d75227"> 1156</a></span>&#160;uint8_t <a class="code" href="group___slave___operation___functions.html#gaa5c9135cec09ea8626db054bd3d75227">agile_modbus_slave_io_get</a>(uint8_t *buf, <span class="keywordtype">int</span> index)</div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>&#160;{</div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>&#160;    <span class="keywordtype">int</span> offset = index / 8;</div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>&#160;    <span class="keywordtype">int</span> shift = index % 8;</div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>&#160; </div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>&#160;    uint8_t status = (buf[offset] &amp; (0x01 &lt;&lt; shift)) ? 1 : 0;</div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>&#160; </div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>&#160;    <span class="keywordflow">return</span> status;</div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>&#160;}</div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>&#160; </div>
<div class="line"><a name="l01172"></a><span class="lineno"><a class="line" href="group___slave___operation___functions.html#gae9ba6989bbe265b05caeba41a28db038"> 1172</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group___slave___operation___functions.html#gae9ba6989bbe265b05caeba41a28db038">agile_modbus_slave_register_set</a>(uint8_t *buf, <span class="keywordtype">int</span> index, uint16_t data)</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;{</div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;    buf[index * 2] = data &gt;&gt; 8;</div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;    buf[index * 2 + 1] = data &amp; 0xFF;</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160;}</div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160; </div>
<div class="line"><a name="l01184"></a><span class="lineno"><a class="line" href="group___slave___operation___functions.html#gac82879249cfa7d8926aa9381a0264a72"> 1184</a></span>&#160;uint16_t <a class="code" href="group___slave___operation___functions.html#gac82879249cfa7d8926aa9381a0264a72">agile_modbus_slave_register_get</a>(uint8_t *buf, <span class="keywordtype">int</span> index)</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160;{</div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>&#160;    uint16_t data = (buf[index * 2] &lt;&lt; 8) + buf[index * 2 + 1];</div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>&#160; </div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>&#160;    <span class="keywordflow">return</span> data;</div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>&#160;}</div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>&#160; </div>
<div class="line"><a name="l01203"></a><span class="lineno"><a class="line" href="group___slave___operation___functions.html#ga9ddc38e7ac14384c02b07b8927165247"> 1203</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___slave___operation___functions.html#ga9ddc38e7ac14384c02b07b8927165247">agile_modbus_slave_handle</a>(<a class="code" href="structagile__modbus.html">agile_modbus_t</a> *ctx, <span class="keywordtype">int</span> msg_length, uint8_t slave_strict,</div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;                              <a class="code" href="group___slave___exported___types.html#gae66e6077fe07d589d91121ac8874541a">agile_modbus_slave_callback_t</a> slave_cb, <span class="keyword">const</span> <span class="keywordtype">void</span> *slave_data, <span class="keywordtype">int</span> *frame_length)</div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160;{</div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160;    <span class="keywordtype">int</span> min_rsp_length = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a> + 5 + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>;</div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160;    <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; min_rsp_length)</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160; </div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160;    <span class="keywordtype">int</span> req_length = <a class="code" href="group___c_o_m_m_o_n___exported___functions.html#ga5339847285ffab01ff36fe7203d3cb74">agile_modbus_receive_judge</a>(ctx, msg_length, <a class="code" href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02faf9852866360e261fba1cafe87a964b01">AGILE_MODBUS_MSG_INDICATION</a>);</div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160;    <span class="keywordflow">if</span> (req_length &lt; 0)</div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160;        <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;    <span class="keywordflow">if</span> (frame_length)</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160;        *frame_length = req_length;</div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160; </div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>&#160;    <span class="keywordtype">int</span> offset;</div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>&#160;    <span class="keywordtype">int</span> slave;</div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160;    <span class="keywordtype">int</span> <span class="keyword">function</span>;</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>&#160;    uint16_t address;</div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>&#160;    <span class="keywordtype">int</span> rsp_length = 0;</div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>&#160;    <span class="keywordtype">int</span> exception_code = 0;</div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>&#160;    <span class="keywordtype">int</span> reg_data = 0;</div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>&#160;    <a class="code" href="structagile__modbus__sft.html">agile_modbus_sft_t</a> sft;</div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>&#160;    uint8_t *req = ctx-&gt;<a class="code" href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">read_buf</a>;</div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>&#160;    uint8_t *rsp = ctx-&gt;<a class="code" href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">send_buf</a>;</div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>&#160; </div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>&#160;    memset(rsp, 0, ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a>);</div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>&#160;    offset = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">header_length</a>;</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;    slave = req[offset - 1];</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;    <span class="keyword">function</span> = req[offset];</div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160;    address = (req[offset + 1] &lt;&lt; 8) + req[offset + 2];</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160; </div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160;    sft.<a class="code" href="structagile__modbus__sft.html#ab9ada92752df1ac2d7597a43eb1cd374">slave</a> = slave;</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;    sft.<a class="code" href="structagile__modbus__sft.html#afe1918bcff8e86066656a68de876b873">function</a> = <span class="keyword">function</span>;</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160;    sft.<a class="code" href="structagile__modbus__sft.html#aea219d53ef291aa545de54ed04ecc639">t_id</a> = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae604a6f4cd8f8102f737671b1911320a">prepare_response_tid</a>(req, &amp;req_length);</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160; </div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>&#160;    <span class="keyword">struct </span><a class="code" href="structagile__modbus__slave__info.html">agile_modbus_slave_info</a> slave_info = {0};</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;    slave_info.<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a> = &amp;<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a>;</div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160;    slave_info.<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = &amp;<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>;</div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>&#160;    slave_info.<a class="code" href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">address</a> = <a class="code" href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">address</a>;</div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>&#160; </div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>&#160;    <span class="keywordflow">if</span> (slave_strict) {</div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>&#160;        <span class="keywordflow">if</span> ((slave != ctx-&gt;<a class="code" href="structagile__modbus.html#acd02aacf2081b397ee378e21858b2dd7">slave</a>) &amp;&amp; (slave != <a class="code" href="group___modbus___constants.html#ga224b2d0e89248e2928b13486362e1dc2">AGILE_MODBUS_BROADCAST_ADDRESS</a>))</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>&#160;            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>&#160;    }</div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>&#160; </div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>&#160;    <span class="keywordflow">switch</span> (<span class="keyword">function</span>) {</div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga1bdaa8903987ab20f825c33f3210ca2e">AGILE_MODBUS_FC_READ_COILS</a>:</div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#gaf91b7348ee4aecc99d14afaa3e03c02b">AGILE_MODBUS_FC_READ_DISCRETE_INPUTS</a>: {</div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>&#160;        <span class="keywordtype">int</span> <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = (req[offset + 3] &lt;&lt; 8) + req[offset + 4];</div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> &lt; 1 || <a class="code" href="group___modbus___constants.html#ga55e6b64f5c26356198708ce0ee23bb60">AGILE_MODBUS_MAX_READ_BITS</a> &lt; <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>) {</div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baab1bfcc730df364863e14f7675acbc13">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_VALUE</a>;</div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>&#160;        }</div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>&#160; </div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>&#160;        <span class="keywordtype">int</span> end_address = (int)<a class="code" href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">address</a> + <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> - 1;</div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>&#160;        <span class="keywordflow">if</span> (end_address &gt; 0xFFFF) {</div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baf726441ad31971e171a2a25401c60af2">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS</a>;</div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>&#160;        }</div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160; </div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9cf149ef36ca2b44e5b1b45e061f2860">build_response_basis</a>(&amp;<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a>, rsp);</div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = (<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> / 8) + ((<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> % 8) ? 1 : 0);</div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160;        rsp[<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>++] = slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>;</div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#a253994beaf696aba4542f7c30e0946cb">send_index</a> = <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>;</div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> += slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>;</div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>;</div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>&#160;        <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; (<span class="keywordtype">int</span>)(<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>)) {</div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6">AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</a>;</div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160;        }</div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>&#160; </div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga51394ef0b9afbc569f7541ab1244f65e">AGILE_MODBUS_FC_READ_HOLDING_REGISTERS</a>:</div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga7771198acca215a378463eb13ad040d1">AGILE_MODBUS_FC_READ_INPUT_REGISTERS</a>: {</div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160;        <span class="keywordtype">int</span> <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = (req[offset + 3] &lt;&lt; 8) + req[offset + 4];</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> &lt; 1 || <a class="code" href="group___modbus___constants.html#gae197ea0d248e33a49957dd33580eda1c">AGILE_MODBUS_MAX_READ_REGISTERS</a> &lt; <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>) {</div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baab1bfcc730df364863e14f7675acbc13">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_VALUE</a>;</div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>&#160;        }</div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>&#160; </div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>&#160;        <span class="keywordtype">int</span> end_address = (int)<a class="code" href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">address</a> + <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> - 1;</div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>&#160;        <span class="keywordflow">if</span> (end_address &gt; 0xFFFF) {</div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baf726441ad31971e171a2a25401c60af2">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS</a>;</div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>&#160;        }</div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>&#160; </div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9cf149ef36ca2b44e5b1b45e061f2860">build_response_basis</a>(&amp;<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a>, rsp);</div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> &lt;&lt; 1;</div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>&#160;        rsp[<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>++] = slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>;</div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#a253994beaf696aba4542f7c30e0946cb">send_index</a> = <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>;</div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> += slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>;</div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>;</div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>&#160;        <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; (<span class="keywordtype">int</span>)(<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>)) {</div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6">AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</a>;</div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160;        }</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160; </div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga4eaf03c1474a3397f847edd94200ec2f">AGILE_MODBUS_FC_WRITE_SINGLE_COIL</a>: {</div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160;<span class="preprocessor">        #if 0</span></div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">address</a> &gt; 0xFFFF) {</div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baf726441ad31971e171a2a25401c60af2">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS</a>;</div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160;        }</div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160; </div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;        reg_data = (req[offset + 3] &lt;&lt; 8) + req[offset + 4];</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160;        <span class="keywordflow">if</span> (reg_data == 0xFF00 || reg_data == 0x0)</div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;            reg_data = reg_data ? 1 : 0;</div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;        <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baab1bfcc730df364863e14f7675acbc13">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_VALUE</a>;</div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160;        }</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160; </div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#a148c813b04073bf06d19fa0478c7b6f6">buf</a> = (uint8_t *)&amp;reg_data;</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = req_length;</div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;        <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; (<span class="keywordtype">int</span>)(<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>)) {</div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6">AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</a>;</div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160;        }</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160;        memcpy(rsp, req, req_length);</div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>&#160; </div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga3003e1bab9d1b1da61250ec2dae421cd">AGILE_MODBUS_FC_WRITE_SINGLE_REGISTER</a>: {</div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>&#160;<span class="preprocessor">        #if 0</span></div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">address</a> &gt; 0xFFFF) {</div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baf726441ad31971e171a2a25401c60af2">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS</a>;</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>&#160;        }</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>&#160; </div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>&#160;        reg_data = (req[offset + 3] &lt;&lt; 8) + req[offset + 4];</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>&#160; </div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#a148c813b04073bf06d19fa0478c7b6f6">buf</a> = (uint8_t *)&amp;reg_data;</div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = req_length;</div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160;        <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; (<span class="keywordtype">int</span>)(<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>)) {</div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6">AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</a>;</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160;        }</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160;        memcpy(rsp, req, req_length);</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160; </div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga437dc2cfaa22f7cfcafdd1f85b5a6955">AGILE_MODBUS_FC_WRITE_MULTIPLE_COILS</a>: {</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160;        <span class="keywordtype">int</span> <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = (req[offset + 3] &lt;&lt; 8) + req[offset + 4];</div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160;        <span class="keywordtype">int</span> nb_bits = req[offset + 5];</div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> &lt; 1 || <a class="code" href="group___modbus___constants.html#gabc9412592af5b13346eda171ba6e4f3c">AGILE_MODBUS_MAX_WRITE_BITS</a> &lt; <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> || nb_bits * 8 &lt; <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>) {</div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baab1bfcc730df364863e14f7675acbc13">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_VALUE</a>;</div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160;        }</div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160; </div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160;        <span class="keywordtype">int</span> end_address = (int)<a class="code" href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">address</a> + <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> - 1;</div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160;        <span class="keywordflow">if</span> (end_address &gt; 0xFFFF) {</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baf726441ad31971e171a2a25401c60af2">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS</a>;</div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;        }</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160; </div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9cf149ef36ca2b44e5b1b45e061f2860">build_response_basis</a>(&amp;<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a>, rsp);</div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>;</div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#a148c813b04073bf06d19fa0478c7b6f6">buf</a> = &amp;req[offset + 6];</div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160;        <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; (<span class="keywordtype">int</span>)(<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a> + 4)) {</div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6">AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</a>;</div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>&#160;        }</div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>&#160;        <span class="comment">/* 4 to copy the bit address (2) and the quantity of bits */</span></div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>&#160;        memcpy(rsp + <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>, req + <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>, 4);</div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> += 4;</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>&#160; </div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga89ce7e11ea0f593ee6801a0d0dd50f5d">AGILE_MODBUS_FC_WRITE_MULTIPLE_REGISTERS</a>: {</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>&#160;        <span class="keywordtype">int</span> <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = (req[offset + 3] &lt;&lt; 8) + req[offset + 4];</div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>&#160;        <span class="keywordtype">int</span> nb_bytes = req[offset + 5];</div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> &lt; 1 || <a class="code" href="group___modbus___constants.html#gaa82d47d969c352ebb7d9f005d2616434">AGILE_MODBUS_MAX_WRITE_REGISTERS</a> &lt; <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> || nb_bytes != <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> * 2) {</div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baab1bfcc730df364863e14f7675acbc13">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_VALUE</a>;</div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>&#160;        }</div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>&#160; </div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>&#160;        <span class="keywordtype">int</span> end_address = (int)<a class="code" href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">address</a> + <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> - 1;</div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>&#160;        <span class="keywordflow">if</span> (end_address &gt; 0xFFFF) {</div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baf726441ad31971e171a2a25401c60af2">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS</a>;</div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>&#160;        }</div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>&#160; </div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9cf149ef36ca2b44e5b1b45e061f2860">build_response_basis</a>(&amp;<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a>, rsp);</div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a>;</div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#a148c813b04073bf06d19fa0478c7b6f6">buf</a> = &amp;req[offset + 6];</div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>&#160;        <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; (<span class="keywordtype">int</span>)(<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a> + 4)) {</div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6">AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</a>;</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>&#160;        }</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160;        <span class="comment">/* 4 to copy the address (2) and the no. of registers */</span></div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160;        memcpy(rsp + <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>, req + <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>, 4);</div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> += 4;</div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>&#160; </div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>&#160; </div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga890fb2bcf11bb6463e3bc20883c06eee">AGILE_MODBUS_FC_REPORT_SLAVE_ID</a>: {</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160;        <span class="keywordtype">int</span> str_len;</div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;        <span class="keywordtype">int</span> byte_count_pos;</div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>&#160; </div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>&#160;        slave_cb = NULL;</div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9cf149ef36ca2b44e5b1b45e061f2860">build_response_basis</a>(&amp;<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a>, rsp);</div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160;        <span class="comment">/* Skip byte count for now */</span></div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;        byte_count_pos = <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>++;</div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>&#160;        rsp[<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>++] = ctx-&gt;<a class="code" href="structagile__modbus.html#acd02aacf2081b397ee378e21858b2dd7">slave</a>;</div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>&#160;        <span class="comment">/* Run indicator status to ON */</span></div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>&#160;        rsp[<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>++] = 0xFF;</div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>&#160; </div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>&#160;        str_len = strlen(<a class="code" href="group___modbus___constants.html#ga6465ef54c2c342da4d0bab3960ed102f">AGILE_MODBUS_VERSION_STRING</a>);</div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>&#160;        <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; (<span class="keywordtype">int</span>)(<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a> + str_len)) {</div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6">AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</a>;</div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>&#160;        }</div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>&#160;        memcpy(rsp + <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>, <a class="code" href="group___modbus___constants.html#ga6465ef54c2c342da4d0bab3960ed102f">AGILE_MODBUS_VERSION_STRING</a>, str_len);</div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> += str_len;</div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>&#160;        rsp[byte_count_pos] = <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> - byte_count_pos - 1;</div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>&#160; </div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#gaabbcd5854c34d199f2f707bb3bfb373f">AGILE_MODBUS_FC_READ_EXCEPTION_STATUS</a>:</div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>&#160;        exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55ba175253ca676ad5c5791b0afa9d6f20ac">AGILE_MODBUS_EXCEPTION_ILLEGAL_FUNCTION</a>;</div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>&#160;        <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>&#160; </div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga0ba08a18b715d5dc44b9e8bca79dd149">AGILE_MODBUS_FC_MASK_WRITE_REGISTER</a>: {</div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160;<span class="preprocessor">        #if 0</span></div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">address</a> &gt; 0xFFFF) {</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baf726441ad31971e171a2a25401c60af2">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS</a>;</div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160;        }</div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160;<span class="preprocessor">        #endif</span></div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160; </div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#a148c813b04073bf06d19fa0478c7b6f6">buf</a> = &amp;req[offset + 3];</div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = req_length;</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160;        <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; (<span class="keywordtype">int</span>)(<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>)) {</div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6">AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</a>;</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160;        }</div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>&#160;        memcpy(rsp, req, req_length);</div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>&#160; </div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160;    <span class="keywordflow">case</span> <a class="code" href="group___modbus___function___codes.html#ga7243db4d3adff479a3d4f2a201ece12a">AGILE_MODBUS_FC_WRITE_AND_READ_REGISTERS</a>: {</div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160;        <span class="keywordtype">int</span> <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = (req[offset + 3] &lt;&lt; 8) + req[offset + 4];</div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160;        uint16_t address_write = (req[offset + 5] &lt;&lt; 8) + req[offset + 6];</div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>&#160;        <span class="keywordtype">int</span> nb_write = (req[offset + 7] &lt;&lt; 8) + req[offset + 8];</div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>&#160;        <span class="keywordtype">int</span> nb_write_bytes = req[offset + 9];</div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160;        <span class="keywordflow">if</span> (nb_write &lt; 1 || <a class="code" href="group___modbus___constants.html#gad0d6ebec0edd26f1eb80db66840f26d0">AGILE_MODBUS_MAX_WR_WRITE_REGISTERS</a> &lt; nb_write ||</div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;            <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> &lt; 1 || <a class="code" href="group___modbus___constants.html#gaf4784aefd5c87a17940705d22ffdf457">AGILE_MODBUS_MAX_WR_READ_REGISTERS</a> &lt; <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> ||</div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>&#160;            nb_write_bytes != nb_write * 2) {</div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baab1bfcc730df364863e14f7675acbc13">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_VALUE</a>;</div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>&#160;        }</div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>&#160; </div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>&#160;        <span class="keywordtype">int</span> end_address = (int)<a class="code" href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">address</a> + <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> - 1;</div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>&#160;        <span class="keywordtype">int</span> end_address_write = (int)address_write + nb_write - 1;</div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>&#160;        <span class="keywordflow">if</span> (end_address &gt; 0xFFFF || end_address_write &gt; 0xFFFF) {</div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baf726441ad31971e171a2a25401c60af2">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS</a>;</div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>&#160;        }</div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>&#160; </div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9cf149ef36ca2b44e5b1b45e061f2860">build_response_basis</a>(&amp;<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a>, rsp);</div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>&#160;        rsp[<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>++] = <a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> &lt;&lt; 1;</div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#a148c813b04073bf06d19fa0478c7b6f6">buf</a> = &amp;req[offset + 3];</div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>&#160;        slave_info.<a class="code" href="structagile__modbus__slave__info.html#a253994beaf696aba4542f7c30e0946cb">send_index</a> = <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>;</div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> += (<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> &lt;&lt; 1);</div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>&#160;        <span class="keywordflow">if</span> (ctx-&gt;<a class="code" href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">send_bufsz</a> &lt; (<span class="keywordtype">int</span>)(<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> + ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">checksum_length</a>)) {</div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6">AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</a>;</div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>&#160;        }</div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>&#160; </div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>&#160;    <span class="keywordflow">default</span>: {</div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>&#160;        <span class="keywordflow">if</span> (slave_cb == NULL)</div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>&#160;            exception_code = <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55ba175253ca676ad5c5791b0afa9d6f20ac">AGILE_MODBUS_EXCEPTION_ILLEGAL_FUNCTION</a>;</div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160;        <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160;            <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#a9cf149ef36ca2b44e5b1b45e061f2860">build_response_basis</a>(&amp;<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a>, rsp);</div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160;            slave_info.<a class="code" href="structagile__modbus__slave__info.html#a253994beaf696aba4542f7c30e0946cb">send_index</a> = <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>;</div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160;            slave_info.<a class="code" href="structagile__modbus__slave__info.html#a148c813b04073bf06d19fa0478c7b6f6">buf</a> = &amp;req[offset + 1];</div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160;            slave_info.<a class="code" href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">nb</a> = req_length - offset - 1;</div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160;        }</div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>&#160;    } <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160;    }</div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160; </div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160;    <span class="keywordflow">if</span> (exception_code)</div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = <a class="code" href="group___slave___private___functions.html#ga7423397221fd4a14a1950301be2d6ecd">agile_modbus_serialize_response_exception</a>(ctx, &amp;<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a>, exception_code);</div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160;    <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160;        <span class="keywordflow">if</span> (slave_cb) {</div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160;            <span class="keywordtype">int</span> ret = slave_cb(ctx, &amp;slave_info, slave_data);</div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160; </div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160;            <span class="keywordflow">if</span> (ret &lt; 0) {</div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160;                <span class="keywordflow">if</span> (ret == -<a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55ba14cb4b03d87baae67e83b3bfea7f64b2">AGILE_MODBUS_EXCEPTION_UNKNOW</a>)</div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160;                    <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = 0;</div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160;                <span class="keywordflow">else</span></div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160;                    <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = <a class="code" href="group___slave___private___functions.html#ga7423397221fd4a14a1950301be2d6ecd">agile_modbus_serialize_response_exception</a>(ctx, &amp;<a class="code" href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">sft</a>, -ret);</div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160;            }</div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160;        }</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160;    }</div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160; </div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>) {</div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160;        <span class="keywordflow">if</span> ((ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#acf381dc049072a82c7c858e042a72cae">backend_type</a> == <a class="code" href="group___c_o_m_m_o_n___exported___types.html#gga88d4f826eda73ae5fc071856f70683fdab0a15fe132d3f733ee4052ea2f0bd391">AGILE_MODBUS_BACKEND_TYPE_RTU</a>) &amp;&amp; (slave == <a class="code" href="group___modbus___constants.html#ga224b2d0e89248e2928b13486362e1dc2">AGILE_MODBUS_BROADCAST_ADDRESS</a>))</div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160;            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160; </div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160;        <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a> = ctx-&gt;<a class="code" href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">backend</a>-&gt;<a class="code" href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">send_msg_pre</a>(rsp, <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>);</div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160;    }</div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>&#160; </div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">rsp_length</a>;</div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160;}</div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>&#160; </div>
<div class="ttc" id="aagile__modbus_8h_html"><div class="ttname"><a href="agile__modbus_8h.html">agile_modbus.h</a></div><div class="ttdoc">Agile Modbus software package common header file.</div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___functions_html_ga1d9466fb449c30600896fb7d59709eef"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___functions.html#ga1d9466fb449c30600896fb7d59709eef">agile_modbus_set_compute_data_length_after_meta_cb</a></div><div class="ttdeci">void agile_modbus_set_compute_data_length_after_meta_cb(agile_modbus_t *ctx, int(*cb)(agile_modbus_t *ctx, uint8_t *msg, int msg_length, agile_modbus_msg_type_t msg_type))</div><div class="ttdoc">sets the data length callback function to be received after calculating the data element of the modbu...</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00297">agile_modbus.c:297</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___functions_html_ga520bd6e5aa1521ebe24a058f8bc9e6f5"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___functions.html#ga520bd6e5aa1521ebe24a058f8bc9e6f5">agile_modbus_common_init</a></div><div class="ttdeci">void agile_modbus_common_init(agile_modbus_t *ctx, uint8_t *send_buf, int send_bufsz, uint8_t *read_buf, int read_bufsz)</div><div class="ttdoc">initialize modbus handle</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00257">agile_modbus.c:257</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___functions_html_ga5339847285ffab01ff36fe7203d3cb74"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___functions.html#ga5339847285ffab01ff36fe7203d3cb74">agile_modbus_receive_judge</a></div><div class="ttdeci">int agile_modbus_receive_judge(agile_modbus_t *ctx, int msg_length, agile_modbus_msg_type_t msg_type)</div><div class="ttdoc">Verify the correctness of received data.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00312">agile_modbus.c:312</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___functions_html_ga6e2698caaa0b25e3d2fb00bba81594f7"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___functions.html#ga6e2698caaa0b25e3d2fb00bba81594f7">agile_modbus_set_slave</a></div><div class="ttdeci">int agile_modbus_set_slave(agile_modbus_t *ctx, int slave)</div><div class="ttdoc">set address</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00273">agile_modbus.c:273</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___functions_html_gac87efdacacabbaaa2d8ed74904b36f49"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___functions.html#gac87efdacacabbaaa2d8ed74904b36f49">agile_modbus_set_compute_meta_length_after_function_cb</a></div><div class="ttdeci">void agile_modbus_set_compute_meta_length_after_function_cb(agile_modbus_t *ctx, uint8_t(*cb)(agile_modbus_t *ctx, int function, agile_modbus_msg_type_t msg_type))</div><div class="ttdoc">sets the data element length callback function to be received after calculating the function code of ...</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00284">agile_modbus.c:284</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___types_html_gaed0f4c33339c8ae9c8730abef9e0f02f"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___types.html#gaed0f4c33339c8ae9c8730abef9e0f02f">agile_modbus_msg_type_t</a></div><div class="ttdeci">agile_modbus_msg_type_t</div><div class="ttdoc">Modbus received message type.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00179">agile_modbus.h:179</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___types_html_gga06fc87d81c62e9abb8790b6e5713c55ba14cb4b03d87baae67e83b3bfea7f64b2"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55ba14cb4b03d87baae67e83b3bfea7f64b2">AGILE_MODBUS_EXCEPTION_UNKNOW</a></div><div class="ttdeci">@ AGILE_MODBUS_EXCEPTION_UNKNOW</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00159">agile_modbus.h:158</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___types_html_gga06fc87d81c62e9abb8790b6e5713c55ba175253ca676ad5c5791b0afa9d6f20ac"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55ba175253ca676ad5c5791b0afa9d6f20ac">AGILE_MODBUS_EXCEPTION_ILLEGAL_FUNCTION</a></div><div class="ttdeci">@ AGILE_MODBUS_EXCEPTION_ILLEGAL_FUNCTION</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00147">agile_modbus.h:147</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___types_html_gga06fc87d81c62e9abb8790b6e5713c55baab1bfcc730df364863e14f7675acbc13"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baab1bfcc730df364863e14f7675acbc13">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_VALUE</a></div><div class="ttdeci">@ AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_VALUE</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00149">agile_modbus.h:149</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___types_html_gga06fc87d81c62e9abb8790b6e5713c55baf726441ad31971e171a2a25401c60af2"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baf726441ad31971e171a2a25401c60af2">AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS</a></div><div class="ttdeci">@ AGILE_MODBUS_EXCEPTION_ILLEGAL_DATA_ADDRESS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00148">agile_modbus.h:148</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___types_html_gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___types.html#gga06fc87d81c62e9abb8790b6e5713c55baff47f16ef50cf30c15983b3181343af6">AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</a></div><div class="ttdeci">@ AGILE_MODBUS_EXCEPTION_NEGATIVE_ACKNOWLEDGE</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00153">agile_modbus.h:153</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___types_html_gga88d4f826eda73ae5fc071856f70683fdab0a15fe132d3f733ee4052ea2f0bd391"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___types.html#gga88d4f826eda73ae5fc071856f70683fdab0a15fe132d3f733ee4052ea2f0bd391">AGILE_MODBUS_BACKEND_TYPE_RTU</a></div><div class="ttdeci">@ AGILE_MODBUS_BACKEND_TYPE_RTU</div><div class="ttdoc">RTU.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00165">agile_modbus.h:165</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___types_html_ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02fac6dd2ba8a1de6b58ce9ec199d4875da4">AGILE_MODBUS_MSG_CONFIRMATION</a></div><div class="ttdeci">@ AGILE_MODBUS_MSG_CONFIRMATION</div><div class="ttdoc">Server-side request message.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00182">agile_modbus.h:181</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___exported___types_html_ggaed0f4c33339c8ae9c8730abef9e0f02faf9852866360e261fba1cafe87a964b01"><div class="ttname"><a href="group___c_o_m_m_o_n___exported___types.html#ggaed0f4c33339c8ae9c8730abef9e0f02faf9852866360e261fba1cafe87a964b01">AGILE_MODBUS_MSG_INDICATION</a></div><div class="ttdeci">@ AGILE_MODBUS_MSG_INDICATION</div><div class="ttdoc">Host-side request message.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00180">agile_modbus.h:180</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___private___constants_html_gaace014d9aa6324caf3655758b0987328"><div class="ttname"><a href="group___c_o_m_m_o_n___private___constants.html#gaace014d9aa6324caf3655758b0987328">AGILE_MODBUS_MSG_LENGTH_UNDEFINED</a></div><div class="ttdeci">#define AGILE_MODBUS_MSG_LENGTH_UNDEFINED</div><div class="ttdoc">The corresponding function code data length is undefined.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00049">agile_modbus.c:49</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___private___functions_html_ga20527b695df81a57b6244d30adaefecd"><div class="ttname"><a href="group___c_o_m_m_o_n___private___functions.html#ga20527b695df81a57b6244d30adaefecd">agile_modbus_receive_msg_judge</a></div><div class="ttdeci">static int agile_modbus_receive_msg_judge(agile_modbus_t *ctx, uint8_t *msg, int msg_length, agile_modbus_msg_type_t msg_type)</div><div class="ttdoc">Check the correctness of received data.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00224">agile_modbus.c:224</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___private___functions_html_ga95720f06739a86879b2963ed9550fda9"><div class="ttname"><a href="group___c_o_m_m_o_n___private___functions.html#ga95720f06739a86879b2963ed9550fda9">agile_modbus_compute_meta_length_after_function</a></div><div class="ttdeci">static uint8_t agile_modbus_compute_meta_length_after_function(agile_modbus_t *ctx, int function, agile_modbus_msg_type_t msg_type)</div><div class="ttdoc">The length of the data element to be received after calculating the function code.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00088">agile_modbus.c:88</a></div></div>
<div class="ttc" id="agroup___c_o_m_m_o_n___private___functions_html_gac284cb29d9a9fc06bcc39f230734597b"><div class="ttname"><a href="group___c_o_m_m_o_n___private___functions.html#gac284cb29d9a9fc06bcc39f230734597b">agile_modbus_compute_data_length_after_meta</a></div><div class="ttdeci">static int agile_modbus_compute_data_length_after_meta(agile_modbus_t *ctx, uint8_t *msg, int msg_length, agile_modbus_msg_type_t msg_type)</div><div class="ttdoc">The length of data to be received after calculating the data element.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00177">agile_modbus.c:177</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga134947aa1eba3f64d26844f4c8bf57cb"><div class="ttname"><a href="group___master___common___operation___functions.html#ga134947aa1eba3f64d26844f4c8bf57cb">agile_modbus_serialize_write_register</a></div><div class="ttdeci">int agile_modbus_serialize_write_register(agile_modbus_t *ctx, int addr, const uint16_t value)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00673">agile_modbus.c:673</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga1404336e09246d48a72dd8ed6ff958be"><div class="ttname"><a href="group___master___common___operation___functions.html#ga1404336e09246d48a72dd8ed6ff958be">agile_modbus_serialize_write_and_read_registers</a></div><div class="ttdeci">int agile_modbus_serialize_write_and_read_registers(agile_modbus_t *ctx, int write_addr, int write_nb, const uint16_t *src, int read_addr, int read_nb)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00852">agile_modbus.c:852</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga16f67b00a3a19f98ee69b2cce4b61d4e"><div class="ttname"><a href="group___master___common___operation___functions.html#ga16f67b00a3a19f98ee69b2cce4b61d4e">agile_modbus_deserialize_write_and_read_registers</a></div><div class="ttdeci">int agile_modbus_deserialize_write_and_read_registers(agile_modbus_t *ctx, int msg_length, uint16_t *dest)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00893">agile_modbus.c:893</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga2bd3952a30caed034f553123d822e9f0"><div class="ttname"><a href="group___master___common___operation___functions.html#ga2bd3952a30caed034f553123d822e9f0">agile_modbus_deserialize_mask_write_register</a></div><div class="ttdeci">int agile_modbus_deserialize_mask_write_register(agile_modbus_t *ctx, int msg_length)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00835">agile_modbus.c:835</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga2dc807ba747675d754e8095ab7dfb39f"><div class="ttname"><a href="group___master___common___operation___functions.html#ga2dc807ba747675d754e8095ab7dfb39f">agile_modbus_deserialize_write_registers</a></div><div class="ttdeci">int agile_modbus_deserialize_write_registers(agile_modbus_t *ctx, int msg_length)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00796">agile_modbus.c:796</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga311e3dec8ebbcd502aebe99c6c964638"><div class="ttname"><a href="group___master___common___operation___functions.html#ga311e3dec8ebbcd502aebe99c6c964638">agile_modbus_deserialize_write_bit</a></div><div class="ttdeci">int agile_modbus_deserialize_write_bit(agile_modbus_t *ctx, int msg_length)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00656">agile_modbus.c:656</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga3d6724cd3f77e007cd2f6672e7beb3f8"><div class="ttname"><a href="group___master___common___operation___functions.html#ga3d6724cd3f77e007cd2f6672e7beb3f8">agile_modbus_serialize_read_registers</a></div><div class="ttdeci">int agile_modbus_serialize_read_registers(agile_modbus_t *ctx, int addr, int nb)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00555">agile_modbus.c:555</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga4124e9e8e7048da83855cb92ee7f6e63"><div class="ttname"><a href="group___master___common___operation___functions.html#ga4124e9e8e7048da83855cb92ee7f6e63">agile_modbus_deserialize_read_input_bits</a></div><div class="ttdeci">int agile_modbus_deserialize_read_input_bits(agile_modbus_t *ctx, int msg_length, uint8_t *dest)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00516">agile_modbus.c:516</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga4620bc2594720eba79a9c9ffa76d3796"><div class="ttname"><a href="group___master___common___operation___functions.html#ga4620bc2594720eba79a9c9ffa76d3796">agile_modbus_serialize_write_bits</a></div><div class="ttdeci">int agile_modbus_serialize_write_bits(agile_modbus_t *ctx, int addr, int nb, const uint8_t *src)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00703">agile_modbus.c:703</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga5d43985cad3f09f0d6596760b941edbc"><div class="ttname"><a href="group___master___common___operation___functions.html#ga5d43985cad3f09f0d6596760b941edbc">agile_modbus_serialize_read_bits</a></div><div class="ttdeci">int agile_modbus_serialize_read_bits(agile_modbus_t *ctx, int addr, int nb)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00445">agile_modbus.c:445</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga5d763faf3f10ea0e48d799f4eac27857"><div class="ttname"><a href="group___master___common___operation___functions.html#ga5d763faf3f10ea0e48d799f4eac27857">agile_modbus_serialize_write_registers</a></div><div class="ttdeci">int agile_modbus_serialize_write_registers(agile_modbus_t *ctx, int addr, int nb, const uint16_t *src)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00765">agile_modbus.c:765</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga63e99beaa9aa8350bbe2746bd8c123a1"><div class="ttname"><a href="group___master___common___operation___functions.html#ga63e99beaa9aa8350bbe2746bd8c123a1">agile_modbus_deserialize_report_slave_id</a></div><div class="ttdeci">int agile_modbus_deserialize_report_slave_id(agile_modbus_t *ctx, int msg_length, int max_dest, uint8_t *dest)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00936">agile_modbus.c:936</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga73504a775e6c4686d65987278599b3cf"><div class="ttname"><a href="group___master___common___operation___functions.html#ga73504a775e6c4686d65987278599b3cf">agile_modbus_deserialize_read_input_registers</a></div><div class="ttdeci">int agile_modbus_deserialize_read_input_registers(agile_modbus_t *ctx, int msg_length, uint16_t *dest)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00615">agile_modbus.c:615</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga7908f73260d9afeba6ac2b571f163a97"><div class="ttname"><a href="group___master___common___operation___functions.html#ga7908f73260d9afeba6ac2b571f163a97">agile_modbus_deserialize_read_bits</a></div><div class="ttdeci">int agile_modbus_deserialize_read_bits(agile_modbus_t *ctx, int msg_length, uint8_t *dest)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00461">agile_modbus.c:461</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga8a8154791b050691e15eb4ae7da97574"><div class="ttname"><a href="group___master___common___operation___functions.html#ga8a8154791b050691e15eb4ae7da97574">agile_modbus_serialize_write_bit</a></div><div class="ttdeci">int agile_modbus_serialize_write_bit(agile_modbus_t *ctx, int addr, int status)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00643">agile_modbus.c:643</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga8c566ab6fae153760cc24a18e0210fff"><div class="ttname"><a href="group___master___common___operation___functions.html#ga8c566ab6fae153760cc24a18e0210fff">agile_modbus_deserialize_write_register</a></div><div class="ttdeci">int agile_modbus_deserialize_write_register(agile_modbus_t *ctx, int msg_length)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00686">agile_modbus.c:686</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_ga9553eb261f886f650b8c207a442b3787"><div class="ttname"><a href="group___master___common___operation___functions.html#ga9553eb261f886f650b8c207a442b3787">agile_modbus_serialize_mask_write_register</a></div><div class="ttdeci">int agile_modbus_serialize_mask_write_register(agile_modbus_t *ctx, int addr, uint16_t and_mask, uint16_t or_mask)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00813">agile_modbus.c:813</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_gabd1613828b12acc5ecf56a7bd4f9e9d1"><div class="ttname"><a href="group___master___common___operation___functions.html#gabd1613828b12acc5ecf56a7bd4f9e9d1">agile_modbus_deserialize_write_bits</a></div><div class="ttdeci">int agile_modbus_deserialize_write_bits(agile_modbus_t *ctx, int msg_length)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00748">agile_modbus.c:748</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_gad1c9ec6c01a6ea61ddbf5c7977b1d1ca"><div class="ttname"><a href="group___master___common___operation___functions.html#gad1c9ec6c01a6ea61ddbf5c7977b1d1ca">agile_modbus_serialize_read_input_registers</a></div><div class="ttdeci">int agile_modbus_serialize_read_input_registers(agile_modbus_t *ctx, int addr, int nb)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00599">agile_modbus.c:599</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_gadcc32581d649bf2cef5eee596bd67c6f"><div class="ttname"><a href="group___master___common___operation___functions.html#gadcc32581d649bf2cef5eee596bd67c6f">agile_modbus_deserialize_read_registers</a></div><div class="ttdeci">int agile_modbus_deserialize_read_registers(agile_modbus_t *ctx, int msg_length, uint16_t *dest)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00571">agile_modbus.c:571</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_gaeeb30388d6a90405340ab42f22412946"><div class="ttname"><a href="group___master___common___operation___functions.html#gaeeb30388d6a90405340ab42f22412946">agile_modbus_serialize_report_slave_id</a></div><div class="ttdeci">int agile_modbus_serialize_report_slave_id(agile_modbus_t *ctx)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00921">agile_modbus.c:921</a></div></div>
<div class="ttc" id="agroup___master___common___operation___functions_html_gaf7de4137539de1bed2e607e846f415c2"><div class="ttname"><a href="group___master___common___operation___functions.html#gaf7de4137539de1bed2e607e846f415c2">agile_modbus_serialize_read_input_bits</a></div><div class="ttdeci">int agile_modbus_serialize_read_input_bits(agile_modbus_t *ctx, int addr, int nb)</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00500">agile_modbus.c:500</a></div></div>
<div class="ttc" id="agroup___master___private___functions_html_ga2f056137cfbb5cf0faaf10618b220c89"><div class="ttname"><a href="group___master___private___functions.html#ga2f056137cfbb5cf0faaf10618b220c89">agile_modbus_check_confirmation</a></div><div class="ttdeci">static int agile_modbus_check_confirmation(agile_modbus_t *ctx, uint8_t *req, uint8_t *rsp, int rsp_length)</div><div class="ttdoc">Check and confirm the slave response data.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00343">agile_modbus.c:343</a></div></div>
<div class="ttc" id="agroup___master___raw___operation___functions_html_ga393dc963d2fac3a2677e8b5f465e187a"><div class="ttname"><a href="group___master___raw___operation___functions.html#ga393dc963d2fac3a2677e8b5f465e187a">agile_modbus_compute_response_length_from_request</a></div><div class="ttdeci">int agile_modbus_compute_response_length_from_request(agile_modbus_t *ctx, uint8_t *req)</div><div class="ttdoc">Calculate the expected response data length.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l00984">agile_modbus.c:984</a></div></div>
<div class="ttc" id="agroup___master___raw___operation___functions_html_ga601fca9b16febfb33bb26d780e672fc2"><div class="ttname"><a href="group___master___raw___operation___functions.html#ga601fca9b16febfb33bb26d780e672fc2">agile_modbus_deserialize_raw_response</a></div><div class="ttdeci">int agile_modbus_deserialize_raw_response(agile_modbus_t *ctx, int msg_length)</div><div class="ttdoc">parses the original response data</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l01073">agile_modbus.c:1073</a></div></div>
<div class="ttc" id="agroup___master___raw___operation___functions_html_ga933c935a47f59cac74bcec545d266a4e"><div class="ttname"><a href="group___master___raw___operation___functions.html#ga933c935a47f59cac74bcec545d266a4e">agile_modbus_serialize_raw_request</a></div><div class="ttdeci">int agile_modbus_serialize_raw_request(agile_modbus_t *ctx, const uint8_t *raw_req, int raw_req_length)</div><div class="ttdoc">Pack the original data into a request message.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l01031">agile_modbus.c:1031</a></div></div>
<div class="ttc" id="agroup___modbus___constants_html_ga224b2d0e89248e2928b13486362e1dc2"><div class="ttname"><a href="group___modbus___constants.html#ga224b2d0e89248e2928b13486362e1dc2">AGILE_MODBUS_BROADCAST_ADDRESS</a></div><div class="ttdeci">#define AGILE_MODBUS_BROADCAST_ADDRESS</div><div class="ttdoc">Modbus broadcast address.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00069">agile_modbus.h:69</a></div></div>
<div class="ttc" id="agroup___modbus___constants_html_ga55e6b64f5c26356198708ce0ee23bb60"><div class="ttname"><a href="group___modbus___constants.html#ga55e6b64f5c26356198708ce0ee23bb60">AGILE_MODBUS_MAX_READ_BITS</a></div><div class="ttdeci">#define AGILE_MODBUS_MAX_READ_BITS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00081">agile_modbus.h:81</a></div></div>
<div class="ttc" id="agroup___modbus___constants_html_ga6465ef54c2c342da4d0bab3960ed102f"><div class="ttname"><a href="group___modbus___constants.html#ga6465ef54c2c342da4d0bab3960ed102f">AGILE_MODBUS_VERSION_STRING</a></div><div class="ttdeci">#define AGILE_MODBUS_VERSION_STRING</div><div class="ttdoc">Agile Modbus version number.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00067">agile_modbus.h:67</a></div></div>
<div class="ttc" id="agroup___modbus___constants_html_gaa82d47d969c352ebb7d9f005d2616434"><div class="ttname"><a href="group___modbus___constants.html#gaa82d47d969c352ebb7d9f005d2616434">AGILE_MODBUS_MAX_WRITE_REGISTERS</a></div><div class="ttdeci">#define AGILE_MODBUS_MAX_WRITE_REGISTERS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00100">agile_modbus.h:100</a></div></div>
<div class="ttc" id="agroup___modbus___constants_html_gabc9412592af5b13346eda171ba6e4f3c"><div class="ttname"><a href="group___modbus___constants.html#gabc9412592af5b13346eda171ba6e4f3c">AGILE_MODBUS_MAX_WRITE_BITS</a></div><div class="ttdeci">#define AGILE_MODBUS_MAX_WRITE_BITS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00082">agile_modbus.h:82</a></div></div>
<div class="ttc" id="agroup___modbus___constants_html_gad0d6ebec0edd26f1eb80db66840f26d0"><div class="ttname"><a href="group___modbus___constants.html#gad0d6ebec0edd26f1eb80db66840f26d0">AGILE_MODBUS_MAX_WR_WRITE_REGISTERS</a></div><div class="ttdeci">#define AGILE_MODBUS_MAX_WR_WRITE_REGISTERS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00101">agile_modbus.h:101</a></div></div>
<div class="ttc" id="agroup___modbus___constants_html_gae197ea0d248e33a49957dd33580eda1c"><div class="ttname"><a href="group___modbus___constants.html#gae197ea0d248e33a49957dd33580eda1c">AGILE_MODBUS_MAX_READ_REGISTERS</a></div><div class="ttdeci">#define AGILE_MODBUS_MAX_READ_REGISTERS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00099">agile_modbus.h:99</a></div></div>
<div class="ttc" id="agroup___modbus___constants_html_gaf4784aefd5c87a17940705d22ffdf457"><div class="ttname"><a href="group___modbus___constants.html#gaf4784aefd5c87a17940705d22ffdf457">AGILE_MODBUS_MAX_WR_READ_REGISTERS</a></div><div class="ttdeci">#define AGILE_MODBUS_MAX_WR_READ_REGISTERS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00102">agile_modbus.h:102</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_ga0ba08a18b715d5dc44b9e8bca79dd149"><div class="ttname"><a href="group___modbus___function___codes.html#ga0ba08a18b715d5dc44b9e8bca79dd149">AGILE_MODBUS_FC_MASK_WRITE_REGISTER</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_MASK_WRITE_REGISTER</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00058">agile_modbus.h:58</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_ga1bdaa8903987ab20f825c33f3210ca2e"><div class="ttname"><a href="group___modbus___function___codes.html#ga1bdaa8903987ab20f825c33f3210ca2e">AGILE_MODBUS_FC_READ_COILS</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_READ_COILS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00048">agile_modbus.h:48</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_ga3003e1bab9d1b1da61250ec2dae421cd"><div class="ttname"><a href="group___modbus___function___codes.html#ga3003e1bab9d1b1da61250ec2dae421cd">AGILE_MODBUS_FC_WRITE_SINGLE_REGISTER</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_WRITE_SINGLE_REGISTER</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00053">agile_modbus.h:53</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_ga437dc2cfaa22f7cfcafdd1f85b5a6955"><div class="ttname"><a href="group___modbus___function___codes.html#ga437dc2cfaa22f7cfcafdd1f85b5a6955">AGILE_MODBUS_FC_WRITE_MULTIPLE_COILS</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_WRITE_MULTIPLE_COILS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00055">agile_modbus.h:55</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_ga4eaf03c1474a3397f847edd94200ec2f"><div class="ttname"><a href="group___modbus___function___codes.html#ga4eaf03c1474a3397f847edd94200ec2f">AGILE_MODBUS_FC_WRITE_SINGLE_COIL</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_WRITE_SINGLE_COIL</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00052">agile_modbus.h:52</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_ga51394ef0b9afbc569f7541ab1244f65e"><div class="ttname"><a href="group___modbus___function___codes.html#ga51394ef0b9afbc569f7541ab1244f65e">AGILE_MODBUS_FC_READ_HOLDING_REGISTERS</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_READ_HOLDING_REGISTERS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00050">agile_modbus.h:50</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_ga7243db4d3adff479a3d4f2a201ece12a"><div class="ttname"><a href="group___modbus___function___codes.html#ga7243db4d3adff479a3d4f2a201ece12a">AGILE_MODBUS_FC_WRITE_AND_READ_REGISTERS</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_WRITE_AND_READ_REGISTERS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00059">agile_modbus.h:59</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_ga7771198acca215a378463eb13ad040d1"><div class="ttname"><a href="group___modbus___function___codes.html#ga7771198acca215a378463eb13ad040d1">AGILE_MODBUS_FC_READ_INPUT_REGISTERS</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_READ_INPUT_REGISTERS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00051">agile_modbus.h:51</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_ga890fb2bcf11bb6463e3bc20883c06eee"><div class="ttname"><a href="group___modbus___function___codes.html#ga890fb2bcf11bb6463e3bc20883c06eee">AGILE_MODBUS_FC_REPORT_SLAVE_ID</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_REPORT_SLAVE_ID</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00057">agile_modbus.h:57</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_ga89ce7e11ea0f593ee6801a0d0dd50f5d"><div class="ttname"><a href="group___modbus___function___codes.html#ga89ce7e11ea0f593ee6801a0d0dd50f5d">AGILE_MODBUS_FC_WRITE_MULTIPLE_REGISTERS</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_WRITE_MULTIPLE_REGISTERS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00056">agile_modbus.h:56</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_gaabbcd5854c34d199f2f707bb3bfb373f"><div class="ttname"><a href="group___modbus___function___codes.html#gaabbcd5854c34d199f2f707bb3bfb373f">AGILE_MODBUS_FC_READ_EXCEPTION_STATUS</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_READ_EXCEPTION_STATUS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00054">agile_modbus.h:54</a></div></div>
<div class="ttc" id="agroup___modbus___function___codes_html_gaf91b7348ee4aecc99d14afaa3e03c02b"><div class="ttname"><a href="group___modbus___function___codes.html#gaf91b7348ee4aecc99d14afaa3e03c02b">AGILE_MODBUS_FC_READ_DISCRETE_INPUTS</a></div><div class="ttdeci">#define AGILE_MODBUS_FC_READ_DISCRETE_INPUTS</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00049">agile_modbus.h:49</a></div></div>
<div class="ttc" id="agroup___slave___exported___types_html_gae66e6077fe07d589d91121ac8874541a"><div class="ttname"><a href="group___slave___exported___types.html#gae66e6077fe07d589d91121ac8874541a">agile_modbus_slave_callback_t</a></div><div class="ttdeci">int(* agile_modbus_slave_callback_t)(agile_modbus_t *ctx, struct agile_modbus_slave_info *slave_info, const void *data)</div><div class="ttdoc">Slave callback function.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00265">agile_modbus.h:265</a></div></div>
<div class="ttc" id="agroup___slave___operation___functions_html_ga9ddc38e7ac14384c02b07b8927165247"><div class="ttname"><a href="group___slave___operation___functions.html#ga9ddc38e7ac14384c02b07b8927165247">agile_modbus_slave_handle</a></div><div class="ttdeci">int agile_modbus_slave_handle(agile_modbus_t *ctx, int msg_length, uint8_t slave_strict, agile_modbus_slave_callback_t slave_cb, const void *slave_data, int *frame_length)</div><div class="ttdoc">slave data processing</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l01203">agile_modbus.c:1203</a></div></div>
<div class="ttc" id="agroup___slave___operation___functions_html_gaa5c9135cec09ea8626db054bd3d75227"><div class="ttname"><a href="group___slave___operation___functions.html#gaa5c9135cec09ea8626db054bd3d75227">agile_modbus_slave_io_get</a></div><div class="ttdeci">uint8_t agile_modbus_slave_io_get(uint8_t *buf, int index)</div><div class="ttdoc">Read slave IO status.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l01156">agile_modbus.c:1156</a></div></div>
<div class="ttc" id="agroup___slave___operation___functions_html_gab8a9c04d3fe520c9323600940cf080eb"><div class="ttname"><a href="group___slave___operation___functions.html#gab8a9c04d3fe520c9323600940cf080eb">agile_modbus_slave_io_set</a></div><div class="ttdeci">void agile_modbus_slave_io_set(uint8_t *buf, int index, int status)</div><div class="ttdoc">slave IO settings</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l01139">agile_modbus.c:1139</a></div></div>
<div class="ttc" id="agroup___slave___operation___functions_html_gac82879249cfa7d8926aa9381a0264a72"><div class="ttname"><a href="group___slave___operation___functions.html#gac82879249cfa7d8926aa9381a0264a72">agile_modbus_slave_register_get</a></div><div class="ttdeci">uint16_t agile_modbus_slave_register_get(uint8_t *buf, int index)</div><div class="ttdoc">Read slave register data.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l01184">agile_modbus.c:1184</a></div></div>
<div class="ttc" id="agroup___slave___operation___functions_html_gae9ba6989bbe265b05caeba41a28db038"><div class="ttname"><a href="group___slave___operation___functions.html#gae9ba6989bbe265b05caeba41a28db038">agile_modbus_slave_register_set</a></div><div class="ttdeci">void agile_modbus_slave_register_set(uint8_t *buf, int index, uint16_t data)</div><div class="ttdoc">slave register settings</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l01172">agile_modbus.c:1172</a></div></div>
<div class="ttc" id="agroup___slave___private___functions_html_ga7423397221fd4a14a1950301be2d6ecd"><div class="ttname"><a href="group___slave___private___functions.html#ga7423397221fd4a14a1950301be2d6ecd">agile_modbus_serialize_response_exception</a></div><div class="ttdeci">static int agile_modbus_serialize_response_exception(agile_modbus_t *ctx, agile_modbus_sft_t *sft, int exception_code)</div><div class="ttdoc">packaged exception response data</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8c_source.html#l01113">agile_modbus.c:1113</a></div></div>
<div class="ttc" id="astructagile__modbus__backend_html_a5b5d593afcd73504dd8b0977173dcb16"><div class="ttname"><a href="structagile__modbus__backend.html#a5b5d593afcd73504dd8b0977173dcb16">agile_modbus_backend::check_integrity</a></div><div class="ttdeci">int(* check_integrity)(agile_modbus_t *ctx, uint8_t *msg, const int msg_length)</div><div class="ttdoc">Check the receive data integrity interface.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00209">agile_modbus.h:209</a></div></div>
<div class="ttc" id="astructagile__modbus__backend_html_a8d3409b195ea47bd306bcf502dd022a9"><div class="ttname"><a href="structagile__modbus__backend.html#a8d3409b195ea47bd306bcf502dd022a9">agile_modbus_backend::set_slave</a></div><div class="ttdeci">int(* set_slave)(agile_modbus_t *ctx, int slave)</div><div class="ttdoc">Set address interface.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00203">agile_modbus.h:203</a></div></div>
<div class="ttc" id="astructagile__modbus__backend_html_a9b202def5092468ba9f8ea59f81b2bc3"><div class="ttname"><a href="structagile__modbus__backend.html#a9b202def5092468ba9f8ea59f81b2bc3">agile_modbus_backend::pre_check_confirmation</a></div><div class="ttdeci">int(* pre_check_confirmation)(agile_modbus_t *ctx, const uint8_t *req, const uint8_t *rsp, int rsp_length)</div><div class="ttdoc">Pre-check confirmation interface.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00210">agile_modbus.h:210</a></div></div>
<div class="ttc" id="astructagile__modbus__backend_html_a9cf149ef36ca2b44e5b1b45e061f2860"><div class="ttname"><a href="structagile__modbus__backend.html#a9cf149ef36ca2b44e5b1b45e061f2860">agile_modbus_backend::build_response_basis</a></div><div class="ttdeci">int(* build_response_basis)(agile_modbus_sft_t *sft, uint8_t *rsp)</div><div class="ttdoc">Build a basic response message interface.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00206">agile_modbus.h:206</a></div></div>
<div class="ttc" id="astructagile__modbus__backend_html_ac0af65e29883654439fa2ee3832dcd5e"><div class="ttname"><a href="structagile__modbus__backend.html#ac0af65e29883654439fa2ee3832dcd5e">agile_modbus_backend::header_length</a></div><div class="ttdeci">uint32_t header_length</div><div class="ttdoc">Header length, excluding function code.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00200">agile_modbus.h:200</a></div></div>
<div class="ttc" id="astructagile__modbus__backend_html_acf381dc049072a82c7c858e042a72cae"><div class="ttname"><a href="structagile__modbus__backend.html#acf381dc049072a82c7c858e042a72cae">agile_modbus_backend::backend_type</a></div><div class="ttdeci">uint32_t backend_type</div><div class="ttdoc">Backend type.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00199">agile_modbus.h:199</a></div></div>
<div class="ttc" id="astructagile__modbus__backend_html_ae22c3d64197febe904d592895705d07b"><div class="ttname"><a href="structagile__modbus__backend.html#ae22c3d64197febe904d592895705d07b">agile_modbus_backend::send_msg_pre</a></div><div class="ttdeci">int(* send_msg_pre)(uint8_t *req, int req_length)</div><div class="ttdoc">Pre-send data interface.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00208">agile_modbus.h:208</a></div></div>
<div class="ttc" id="astructagile__modbus__backend_html_ae604a6f4cd8f8102f737671b1911320a"><div class="ttname"><a href="structagile__modbus__backend.html#ae604a6f4cd8f8102f737671b1911320a">agile_modbus_backend::prepare_response_tid</a></div><div class="ttdeci">int(* prepare_response_tid)(const uint8_t *req, int *req_length)</div><div class="ttdoc">Prepare response interface.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00207">agile_modbus.h:207</a></div></div>
<div class="ttc" id="astructagile__modbus__backend_html_af1c930c538d90281d83ed4c9cc18f1ac"><div class="ttname"><a href="structagile__modbus__backend.html#af1c930c538d90281d83ed4c9cc18f1ac">agile_modbus_backend::build_request_basis</a></div><div class="ttdeci">int(* build_request_basis)(agile_modbus_t *ctx, int function, int addr, int nb, uint8_t *req)</div><div class="ttdoc">Build a basic request message interface.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00204">agile_modbus.h:204</a></div></div>
<div class="ttc" id="astructagile__modbus__backend_html_af249a707d3885f5fbcd47b444c28a298"><div class="ttname"><a href="structagile__modbus__backend.html#af249a707d3885f5fbcd47b444c28a298">agile_modbus_backend::checksum_length</a></div><div class="ttdeci">uint32_t checksum_length</div><div class="ttdoc">Check data length.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00201">agile_modbus.h:201</a></div></div>
<div class="ttc" id="astructagile__modbus__sft_html"><div class="ttname"><a href="structagile__modbus__sft.html">agile_modbus_sft</a></div><div class="ttdoc">contains the modbus header parameter structure</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00187">agile_modbus.h:187</a></div></div>
<div class="ttc" id="astructagile__modbus__sft_html_ab9ada92752df1ac2d7597a43eb1cd374"><div class="ttname"><a href="structagile__modbus__sft.html#ab9ada92752df1ac2d7597a43eb1cd374">agile_modbus_sft::slave</a></div><div class="ttdeci">int slave</div><div class="ttdoc">slave address</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00188">agile_modbus.h:188</a></div></div>
<div class="ttc" id="astructagile__modbus__sft_html_aea219d53ef291aa545de54ed04ecc639"><div class="ttname"><a href="structagile__modbus__sft.html#aea219d53ef291aa545de54ed04ecc639">agile_modbus_sft::t_id</a></div><div class="ttdeci">int t_id</div><div class="ttdoc">Transaction identifier.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00190">agile_modbus.h:190</a></div></div>
<div class="ttc" id="astructagile__modbus__sft_html_afe1918bcff8e86066656a68de876b873"><div class="ttname"><a href="structagile__modbus__sft.html#afe1918bcff8e86066656a68de876b873">agile_modbus_sft::function</a></div><div class="ttdeci">int function</div><div class="ttdoc">function code</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00189">agile_modbus.h:189</a></div></div>
<div class="ttc" id="astructagile__modbus__slave__info_html"><div class="ttname"><a href="structagile__modbus__slave__info.html">agile_modbus_slave_info</a></div><div class="ttdoc">Agile Modbus slave information structure.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00246">agile_modbus.h:246</a></div></div>
<div class="ttc" id="astructagile__modbus__slave__info_html_a148c813b04073bf06d19fa0478c7b6f6"><div class="ttname"><a href="structagile__modbus__slave__info.html#a148c813b04073bf06d19fa0478c7b6f6">agile_modbus_slave_info::buf</a></div><div class="ttdeci">uint8_t * buf</div><div class="ttdoc">Data fields required for different function codes.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00251">agile_modbus.h:251</a></div></div>
<div class="ttc" id="astructagile__modbus__slave__info_html_a253994beaf696aba4542f7c30e0946cb"><div class="ttname"><a href="structagile__modbus__slave__info.html#a253994beaf696aba4542f7c30e0946cb">agile_modbus_slave_info::send_index</a></div><div class="ttdeci">int send_index</div><div class="ttdoc">Current index of sending buffer.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00252">agile_modbus.h:252</a></div></div>
<div class="ttc" id="astructagile__modbus__slave__info_html_a5849130126a5393b1d9249b208ff876d"><div class="ttname"><a href="structagile__modbus__slave__info.html#a5849130126a5393b1d9249b208ff876d">agile_modbus_slave_info::sft</a></div><div class="ttdeci">agile_modbus_sft_t * sft</div><div class="ttdoc">sft structure pointer</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00247">agile_modbus.h:247</a></div></div>
<div class="ttc" id="astructagile__modbus__slave__info_html_a9e347581c0d5f0c54bd8aaf2ef920e00"><div class="ttname"><a href="structagile__modbus__slave__info.html#a9e347581c0d5f0c54bd8aaf2ef920e00">agile_modbus_slave_info::address</a></div><div class="ttdeci">int address</div><div class="ttdoc">Register address.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00249">agile_modbus.h:249</a></div></div>
<div class="ttc" id="astructagile__modbus__slave__info_html_aceba4a7afd2625d76b1aac132d0a758a"><div class="ttname"><a href="structagile__modbus__slave__info.html#aceba4a7afd2625d76b1aac132d0a758a">agile_modbus_slave_info::rsp_length</a></div><div class="ttdeci">int * rsp_length</div><div class="ttdoc">Response data length pointer.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00248">agile_modbus.h:248</a></div></div>
<div class="ttc" id="astructagile__modbus__slave__info_html_aeb6268b26910a7839eb1f515c8ad1e4b"><div class="ttname"><a href="structagile__modbus__slave__info.html#aeb6268b26910a7839eb1f515c8ad1e4b">agile_modbus_slave_info::nb</a></div><div class="ttdeci">int nb</div><div class="ttdoc">number</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00250">agile_modbus.h:250</a></div></div>
<div class="ttc" id="astructagile__modbus_html"><div class="ttname"><a href="structagile__modbus.html">agile_modbus</a></div><div class="ttdoc">Agile Modbus structure.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00217">agile_modbus.h:217</a></div></div>
<div class="ttc" id="astructagile__modbus_html_a01a1cc40593d0b2f35c4bd9264024023"><div class="ttname"><a href="structagile__modbus.html#a01a1cc40593d0b2f35c4bd9264024023">agile_modbus::compute_data_length_after_meta</a></div><div class="ttdeci">int(* compute_data_length_after_meta)(agile_modbus_t *ctx, uint8_t *msg, int msg_length, agile_modbus_msg_type_t msg_type)</div><div class="ttdoc">Customized calculation data length interface.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00225">agile_modbus.h:225</a></div></div>
<div class="ttc" id="astructagile__modbus_html_a374a8fa6bbae7c8c7c26fa0327d86c28"><div class="ttname"><a href="structagile__modbus.html#a374a8fa6bbae7c8c7c26fa0327d86c28">agile_modbus::compute_meta_length_after_function</a></div><div class="ttdeci">uint8_t(* compute_meta_length_after_function)(agile_modbus_t *ctx, int function, agile_modbus_msg_type_t msg_type)</div><div class="ttdoc">Customized calculation data element length interface.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00223">agile_modbus.h:223</a></div></div>
<div class="ttc" id="astructagile__modbus_html_a5ca6f195fce50ce2152bef4f54fc4c8a"><div class="ttname"><a href="structagile__modbus.html#a5ca6f195fce50ce2152bef4f54fc4c8a">agile_modbus::send_bufsz</a></div><div class="ttdeci">int send_bufsz</div><div class="ttdoc">Send buffer size.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00220">agile_modbus.h:220</a></div></div>
<div class="ttc" id="astructagile__modbus_html_a7ab3e38c7f75daba9d3ea33ddc41d69e"><div class="ttname"><a href="structagile__modbus.html#a7ab3e38c7f75daba9d3ea33ddc41d69e">agile_modbus::send_buf</a></div><div class="ttdeci">uint8_t * send_buf</div><div class="ttdoc">Send buffer.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00219">agile_modbus.h:219</a></div></div>
<div class="ttc" id="astructagile__modbus_html_a7ae0e70e10647b910250928d8b15bc17"><div class="ttname"><a href="structagile__modbus.html#a7ae0e70e10647b910250928d8b15bc17">agile_modbus::read_buf</a></div><div class="ttdeci">uint8_t * read_buf</div><div class="ttdoc">Receive buffer.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00221">agile_modbus.h:221</a></div></div>
<div class="ttc" id="astructagile__modbus_html_aa9d48739d05877966b473beeb61176b7"><div class="ttname"><a href="structagile__modbus.html#aa9d48739d05877966b473beeb61176b7">agile_modbus::backend</a></div><div class="ttdeci">const agile_modbus_backend_t * backend</div><div class="ttdoc">Backend interface.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00227">agile_modbus.h:227</a></div></div>
<div class="ttc" id="astructagile__modbus_html_acd02aacf2081b397ee378e21858b2dd7"><div class="ttname"><a href="structagile__modbus.html#acd02aacf2081b397ee378e21858b2dd7">agile_modbus::slave</a></div><div class="ttdeci">int slave</div><div class="ttdoc">slave address</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00218">agile_modbus.h:218</a></div></div>
<div class="ttc" id="astructagile__modbus_html_ad3d742a082530ee2dc6b55c04d80d9a2"><div class="ttname"><a href="structagile__modbus.html#ad3d742a082530ee2dc6b55c04d80d9a2">agile_modbus::read_bufsz</a></div><div class="ttdeci">int read_bufsz</div><div class="ttdoc">Receive buffer size.</div><div class="ttdef"><b>Definition:</b> <a href="agile__modbus_8h_source.html#l00222">agile_modbus.h:222</a></div></div>
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